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It’s clear that staying active is key to being healthy, and fitness trackers and smartwatches have become popular tools for tracking activity. But just how many steps does someone need to take to lose weight? That’s not such a simple a question. While evidence is limited on exactly how many steps a day it takes to lose weight, experts say to get about 150 to 300 minutes of moderate- to vigorous-intensity exercise weekly, said Amanda Paluch, an assistant professor in the department of kinesiology and Institute for Applied Life Sciences at the University of Massachusetts, Amherst. That’s about an average of 22 minutes per day on the low end and 45 minutes on the high end, Paluch said. “And we do know that for weight loss and weight maintenance, you really need to get to that higher end,” Paluch said. “We do need to exercise more often at this moderate to vigorous intensity to really see weight loss,” Paluch added, but “we really haven’t figured out how much that equates to in terms of steps per day.” Tracking steps That doesn’t mean a person shouldn’t track their steps. “These types of devices can really help us with tracking and goal-setting,” Paluch said. Harvard Health cited a review of recent studies that found people who were overweight or obese and who had chronic health conditions were… read on > read on >

Starting a walking routine is simple because it requires so little: comfortable, supportive walking shoes and your own two feet. Unlike gym workouts, the initial expense is small and the schedule is flexible. “Walking’s a great way to work out because we can integrate it into our daily lives,” said Amanda Paluch, an assistant professor in the department of kinesiology and Institute for Applied Life Sciences at the University of Massachusetts, Amherst. “And if you can just fit it around your house or within your neighborhood, it’s one of the most convenient options,” Paluch said. The benefits abound, too. Even a single bout of walking at a moderate-to-vigorous intensity can improve sleep, memory, ability to think and anxiety, according to the U.S. Centers for Disease Control and Prevention. Harvard Health noted some surprising benefits, including that walking can reduce sugar cravings, ease joint pain, boost immunity, counteract obesity genetics and reduce breast cancer risk. More well-known benefits include lowering high blood pressure and the risk for type 2 diabetes, helping someone maintain a healthy body weight and strengthening the musculoskeletal system, according to Colorado State University. A Texas clinical trial credited a half-hour of power walking or jogging five times weekly with better blood flow in and out of the brain in research published in the Journal of Applied Physiology. “Taking just a few more… read on > read on >

It may be that as many as 13% of older adults are addicted to highly processed comfort foods, a new survey finds. Craving cookies, chips, packaged snacks and soda was seen in adults aged 50 to 80, according to new data from the National Poll on Healthy Aging, from the University of Michigan Institute for Healthcare Policy and Innovation. Women had higher numbers of addiction to these foods than men, especially those in their 50s and early 60s. Older adults who were overweight or experiencing poor mental health or isolation also had much higher percentages of possible addiction to processed foods. Researchers suggested that doctors should screen for these addictive eating habits, so that patients can get referrals to nutrition counseling or programs that help address addictive eating. “The word addiction may seem strong when it comes to food, but research has shown that our brains respond as strongly to highly processed foods, especially those highest in sugar, simple starches and fat, as they do to tobacco, alcohol and other addictive substances,” said researcher Ashley Gearhardt, an associate professor in the University of Michigan’s Department of Psychology. “Just as with smoking or drinking, we need to identify and reach out to those who have entered unhealthy patterns of use and support them in developing a healthier relationship with food,” Gearhardt said in a university news… read on > read on >

Many adults with epilepsy have agoraphobia, or a fear of public places, new research suggests. That impacts quality of life and is something doctors should include in other screening that looks for anxiety or depression, the investigators said. “We know that agoraphobia can lead to delays in patient care because of a reluctance to go out in public, which includes appointments with health care providers,” said lead study author Dr. Heidi Munger Clary, an associate professor of neurology at Wake Forest University School of Medicine in Winston-Salem, N.C. “So, this is an area that needs more attention in clinical practice.” Her team used data from a neuropsychology registry study to analyze a diverse sample of 420 adults, ages 18 to 75. The patients had epilepsy and underwent neuropsychological evaluation over a 14-year period at Columbia University Medical Center in New York City. “More than one-third of the participants reported significant phobic/agoraphobic symptoms,” Munger Clary said in a Wake Forest news release. “We also found that phobic/agoraphobic symptoms, along with depression symptoms, were independently associated with poor quality of life, but generalized anxiety symptoms were not.” The findings suggest a need for future studies, to develop more comprehensive screening for these types of psychiatric disorders in epilepsy, Munger Clary said. “Symptoms of agoraphobia do not fully overlap with generalized anxiety or depression symptoms that are often… read on > read on >

Treatments for gum disease may have little benefit for heavy smokers, new research shows. The study findings suggest the need to rethink treatment of the common gum disease periodontitis, according to researchers from Aarhus University in Denmark. “To our surprise, we could see that the disease had actually grown worse in some parameters in the hardest-hit group, despite the fact that this particular group had received the most extensive, individually designed treatment,” study co-author Julie Pajaniaye, a dental hygienist, said in a university news release. Periodontitis, or gum disease, leads to breakdown of the teeth’s supportive tissue and, in serious cases, can result in loss of teeth. For the study, the researchers studied the effect of different levels of smoking on results of gum disease treatment. Heavy smokers with the most severe forms of gum inflammation got no benefit from the treatment, the study found. Heavy smokers with moderate periodontitis had a 50% effect from the treatment, compared to lighter smokers. About 40% of the population is affected by periodontitis and 18% of Danes smoke daily or occasionally, the study authors noted. Treatment of the disease is adapted to the individual patient, including deep cleansings of affected teeth, education about the harmful effects of smoking and, in some cases, surgery. Pajaniaye said the findings illustrate the need to include referrals to smoking cessation courses in… read on > read on >

Carbon monoxide is a silent, odorless killer, but even during winter heating season, it’s possible to stay safe. This dangerous gas is produced when fuels burn incompletely. This can happen in furnaces, both gas- and wood-burning fireplaces, space heaters and vehicles that burn fossil fuel. It’s also possible in water heaters, gas clothes dryers and stoves, as well as other equipment, including grills, generators and power tools. The Nebraska Regional Poison Center offers some tips on staying safe, recognizing carbon monoxide (CO) poisoning and treating a person who has been poisoned with the gas: Start by installing carbon monoxide detectors on every level of your home. Replace batteries every six months. Have all fuel-burning appliances inspected regularly. Ventilate fuel- and gas-burning heaters to the outside. Do not use a gas range or an oven to heat a room. Never use a charcoal grill or hibachi inside, the center advises. Run generators at a safe distance from the home. Don’t run them next to a window or a door, which can be dangerous. Avoid sitting in a car with the engine running if deep snow or mud is blocking the exhaust pipe. Never leave a car running in an attached garage, even with the garage door open. Have your vehicle’s muffler and tailpipes checked regularly. CO poisoning can be mistaken for flu. Symptoms include headache, nausea,… read on > read on >

Children’s amped-up immune systems allow them to beat back COVID-19 easily, producing a strong initial response that quickly slaps away the virus. But there might be a price to be paid for that sharp reaction, a new study from Australia says. Because the initial response provides such a swift takedown, kids’ immune systems don’t remember the virus and don’t adapt to be prepared for future infections, according to scientists with the Garvan Institute of Medical Research in Sydney. As a result, their body still treats COVID as a new threat, opening them to becoming sick from future COVID infections. “The price that children pay for being so good at getting rid of the virus in the first place is that they don’t have the opportunity to develop ‘adaptive’ memory to protect them the second time they are exposed to the virus,” lead author Tri Phan said in an institute news release. He’s head of the Intravital Microscopy and Gene Expression (IMAGE) Lab at Garvan. Everyone’s immune system has two modes — the innate and the adaptive systems. The innate immune system is mainly comprised of barriers like skin and mucosal surfaces that physically block viruses from entering the body. It also can generate general immune responses when it detects a foreign invader like a virus or a bacterium, although it can’t distinguish between specific pathogens.… read on > read on >

Longstanding restrictions on blood donations from gay or bisexual men could soon shift towards a more nuanced policy, where such men are asked about sexual partners and practices instead, the U.S. Food and Drug Administration announced Friday. Specifically, gay men who are in monogamous relationships will no longer be required to abstain from sex for any period of time before donating to the nation’s blood supply. Old rules in place since the 1980s had made such demands, out of fears of possible HIV contamination of donated blood. But pressure from LGBT organizations, improvements in blood screening technologies, as well as the input of blood banks and the American Medical Association, have all pushed the FDA to re-examine its rules. The draft recommendations around the new policy center on “individual risk-based questions to reduce the risk of transfusion-transmitted HIV,” the agency explained in a statement. “These draft recommendations are based on the FDA’s careful review of available information, including data from other countries [such as Canada and the United Kingdom] with similar HIV epidemiology that have instituted this approach, as well as ongoing surveillance of the U.S. blood supply,” the agency added. “Maintaining a safe and adequate supply of blood and blood products in the U.S. is paramount for the FDA, and this proposal for an individual risk assessment, regardless of gender or sexual orientation, will… read on > read on >

“Move it or lose it” the saying goes, but too much exercise or playing sports can lead to overuse injuries. These injuries include damage to bones, ligaments, tendons and muscles due to repetitive actions, such running, throwing, biking, lifting and swimming, to name a few. An overuse injury can be the result of poor training techniques such as doing too much too fast; not warming up or cooling down; failing to take enough time to recover after exercise; or not doing the proper cross training to support the activity. Shoulder impingement Shoulder impingement is an overuse injury in the rotator cuff — the muscles and tendons that surround the shoulder joint. It is caused by “repetitive overhead activities while the shoulder joint is in a forward rotated position,” said Jessica Moyer, owner of Viva Stretch in Jacksonville, Fla., and a sport rehabilitation specialist for nearly 20 years. According to the Hospital for Special Surgery in New York City, pain is usually felt when lifting overhead, and is most common in active adults in their 30s and 40s. In a hospital release, Dr. Lawrence Gulotta, head of the shoulder and elbow division at the hospital’s Sports Medicine Institute, says this type of injury often stems from poor technique and rushing when lifting weights. How to prevent it: Moyer recommends strengthening the scapular, or shoulder blade, muscles.… read on > read on >

Natural gas stoves have become the latest flashpoint in America’s increasingly volatile political culture, after a top federal regulator publicly mulled over banning the appliances. “This is a hidden hazard,” the U.S. Consumer Product Safety Commission (CPSC) commissioner, Richard Trumka Jr., said in an interview. “Any option is on the table. Products that can’t be made safe can be banned.” Trumka quickly walked back that statement, saying that the agency wants to assess the hazards posed by indoor gas stove emissions but has no plans to ban gas stoves. But the question now is on the front burner — to what extent do gas stoves pose a health hazard to the average American? A growing body of evidence shows that gas stoves do indeed emit a wide variety of harmful pollutants into a home’s air, including nitrogen dioxide, carbon monoxide, benzene, formaldehyde, and even the sort of particulate matter that contributes to smog, experts say. “All of those are known to have negative impacts on human health,” said Dr. MeiLan Han, chief of pulmonary and critical care at the University of Michigan in Ann Arbor. Some of these pollutants are emitted through microscopic leaks that occur even when a stove is off, said Eric Lebel, a senior scientist with PSE Healthy Energy in Oakland, Calif. Others are generated by the stove’s blue flame. However, researchers… read on > read on >

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All Sauce from Weekly Gravy:

How Many Daily Steps Do You Need to Lose Weight?

Step Up! Here’s How to Start a Healthy Walking Habit

1 in 8 Older Americans May Be ‘Junk Food Addicts,’ Poll Finds

Fear of Public Spaces Is Common in People With Epilepsy

Gum Disease Treatments Lose Their Punch in Heavy Smokers

Silent Killer: Shield Your Family From Carbon Monoxide

Yes, Kids Ward Off COVID More Easily. But Their Immune System Pays a Price

FDA Could Ease Blood Donation Rules for Gay Men

You Can Prevent Sports Overuse Injuries

Is Your Gas Stove Making You Sick? Experts Weigh In