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Playing singles tennis is a great way to have fun and exercise, and if you have access to an indoor court, it can be a year-round workout option that builds camaraderie along with muscle tone. But before you hit the court, it’s important to get your game on safely. By practicing a pregame plan for these strenuous workouts, you’ll be less likely to experience injuries that could leave you sidelined. Tennis prep steps are simple — warm up and then stretch. First, take five minutes to jog, walk briskly or do jumping jacks to raise your body temperature and prepare your heart and lungs. Next, do a series of dynamic stretches. Dynamic stretches incorporate movement, and research shows they are beneficial to do before play. Start with 10 arm and wrist circles and then move to arm rotations, all for the upper body. For the lower body, try movements like cross over hip stretches and alternate side toe touches, 15 to each side. For the core, do 10 each of standing rotations and diagonal chops to the knees. What you do after play is just as important. As you leave the court, bring down your heart rate with five minutes of walking, jogging or side shuffling. Follow with static stretches — these are no-movement stretches that are held for 15 to 20 seconds each. Start… read on >

Getting older can be a lonely business, and a new survey shows that health problems only make matters worse. The online poll of more than 2,000 adults, aged 50 to 80, revealed that one in four said they feel isolated from other people at least some of the time, and one in three say they don’t have regular companionship. Health played a role in just how lonely someone was. Those with fair or poor physical health/mental health or hearing loss were more likely to say they felt isolated or lacked companions. “More than a quarter of poll respondents said they only had social contact once a week, or less, with family members they don’t live with, or with friends and neighbors,” said poll co-director Erica Solway, a social science researcher at the University of Michigan. “These results indicate the importance of proactively reaching out to those in your community who may be at risk of feeling isolated and disconnected, especially those with — or at risk of — health issues,” she added in a university news release. The poll also found that respondents who were unemployed, lived in lower-income households, lived alone and/or had one or more children living with them were more likely to say they lacked companionship. Sixty percent of those who lived alone reported feeling a lack of companionship, and 41 percent… read on >

Millions of Americans are left drowsy each day by sleep apnea, and new research suggests it might also raise their odds for Alzheimer’s disease. It isn’t clear, however, if sleep apnea causes the buildup of “tau” protein tangles in the brain that are a marker for Alzheimer’s, or if the increased tau helps cause the apnea, the researchers said. “Since tau accumulation is a hallmark of Alzheimer’s disease, an increase in tau raises concern that sleep apnea could make [people] with sleep apnea more vulnerable to Alzheimer’s,” said lead researcher Dr. Diego Carvalho, a neurologist at the Mayo Clinic in Rochester, Minn. The new study — to be presented at an upcoming meeting of the American Academy of Neurology (AAN) — is consistent with previous work suggesting that sleep apnea increases the risk for dementia, he said. “However, it is also possible that Alzheimer’s disease could predispose people to sleep apnea or that there is a bidirectional relationship between sleep apnea and Alzheimer’s disease,” Carvalho said. Obstructive sleep apnea is a chronic condition that can cause breathing to stop frequently during sleep. Tau, a protein that forms tangles in the brain, is found in people with Alzheimer’s. For the study, Carvalho’s team looked at 288 people, aged 65 and older, without thinking and memory problems. Each study participant had brain scans to look for tau… read on >

When a social media “influencer” hawks junk food, young kids may be easily won over, a new study suggests. British researchers found that when children saw images of two famous YouTube “vloggers” simply holding junk food, they immediately showed a craving for cookies and candy. Unfortunately, they were not similarly swayed by images of those online stars with healthy foods. Experts said the findings point to the power of an insidious form of junk food marketing, in which companies pay social media influencers to feature their products. “Most parents are surprised this exists,” said Jennifer Harris, of the University of Connecticut’s Rudd Center for Food Policy and Obesity. “They often have no idea how targeted their kids are when they’re online.” Harris, who was not involved in the study, conducts research on food marketing to kids. She said that in comparison to traditional advertising, it’s difficult to study the influence of social media on kids’ food preferences. “There isn’t a lot known about it, because it’s hard to track what kids are seeing on social media,” Harris explained. So she said she was “excited” to see the new findings, published online March 4 in the journal Pediatrics. They show, through an experimental design, how social media images can immediately influence kids’ food choices, Harris said. For the study, researchers from the University of Liverpool created… read on >

Headed out on vacation? Beware of heart attack: It’s the leading cause of natural death among travelers. If you have heart attack symptoms on the road, getting immediate medical care can improve your odds of long-term survival, according to a study presented Saturday at a meeting of the European Society of Cardiology, in Malaga, Spain. “If you are traveling and experience heart attack symptoms — such as pain in the chest, throat, neck, back, stomach or shoulders — that lasts for more than 15 minutes, call an ambulance without delay,” study author Dr. Ryota Nishio said in a society news release. “Our study shows that long-term outcomes after a heart attack while traveling can be good if you get prompt treatment,” added Nishio, who works in the cardiology department at Juntendo University Shizuoka Hospital in Izunokuni, Japan. For the study, the researchers examined data on more than 2,500 patients who had a heart attack and rapid treatment with a stent (percutaneous coronary intervention, PCI) between 1999 and 2015 at the hospital. It’s located on the Izu Peninsula, a popular tourist destination near Mount Fuji, and a regional center for PCI. Patients who were traveling tended to be younger than other patients, and had a higher prevalence of heart attacks due to a blockage in a major artery to the heart, the investigators found. The researchers… read on >

(HealthDay News) — Some diets encourage fats and some advocate against them. But which is healthiest? Researchers at the Harvard T.H. Chan School of Public Health agree that there is no universally optimal amount of fat consumption. For most people who want to maintain a healthy weight and lower risk of disease, the focus should not be on fats. Instead, researchers suggest that diets low in sugar and refined grains should be emphasized.

The biggest worry a person usually has when they’re getting a tattoo is how it will look. But sometimes, getting inked can lead to something worse than bad body art, an expert warns. If you suffer skin problems after getting a tattoo, see a dermatologist and alert the tattoo artist, said Dr. Marie Leger, a dermatologist in New York City. About 10 percent of people have a complication after a tattoo. Common ones include infections, allergic reactions and worsening of an existing skin condition, such as psoriasis or eczema, according to Leger. Another potential complication is sarcoidosis, an autoimmune disease that can affect the skin and other organs. The first sign may be bumps at the tattoo site. Infections are most common within the first few days or weeks of tattooing. They can cause redness and pain around the site of the tattoo (not just on the actual ink), as well as drainage, crusting and pus, Leger said. “If you experience these symptoms after getting a tattoo, see a doctor right away, because infections can be quite serious,” she said in an American Academy of Dermatology news release. Infections can be caused by contaminated ink, unsterile application or improper aftercare, Leger explained. Allergies and sarcoidosis may occur months to years later. Signs include itching, bumps, scaling, periodic swelling or the tattoo becoming raised. If you… read on >

Your long-term happiness in marriage may hinge on the genes you and your partner bring to the union. A Yale University study suggests marital bliss could be influenced by a genetic variation that affects oxytocin, the so-called “love hormone” that is involved in social bonding. “This study shows that how we feel in our close relationships is influenced by more than just our shared experiences with our partners over time,” said lead author Joan Monin, an associate professor in the Yale School of Public Health. “In marriage, people are also influenced by their own and their partner’s genetic predispositions,” she said in a Yale news release. The study included 178 married couples ranging in age from 37 to 90. The participants were asked about their feelings of marital security and satisfaction, and each provided a saliva sample for genetic testing. When at least one partner had a genetic variation known as the GG genotype within the oxytocin gene receptor, the couple had greater satisfaction and feelings of security in their marriage compared with couples with different genotypes, the researchers found. Previous studies have linked the oxytocin receptor variant, OXTR rs53576, to personality traits such as emotional stability, empathy and sociability. This study is believed to be the first to examine its role in marital satisfaction. The Yale researchers also found that people with the GG… read on >

If you’re bored with doing squats for a better bottom, it’s time to vary your workout. For a study sponsored by the American Council on Exercise (ACE), scientists at the University of Wisconsin-La Crosse evaluated popular exercises for the glutes to find the ones that are most effective. Popular Glutes Strength-Training Exercises Four-way hip extensions Horizontal leg press Lunges Quadruped hip extensions Single leg squats Step-ups Traditional squats Vertical leg press The traditional squat is still a great choice, but not the only one. In fact, if you want to target the hamstrings along with the glutes, quadruped hip extensions and step-ups are very effective. So are lunges, single-leg squats and four-way hip extensions. To get started, the experts at ACE recommend a super set of quadruped hip extensions followed by the step-ups. First, you do both exercises with one leg, and then you repeat them with the other leg, without any rest in between. For the hip extensions, get on hands and knees and contract your abs a bit to stabilize your core. Next, keeping the right knee bent at a 90-degree angle, lift your right leg until your thigh and the sole of your foot are parallel with the floor. With control, return to the starting position. Do eight to 12 reps. Immediately move to the step-ups. Stand behind a 15-inch-high step with… read on >

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All Sauce from Weekly Gravy:

Get in Shape for Tennis and Other Racquet Sports

Poor Health Compounds Loneliness in Seniors

Sleep Apnea May Be Linked With Alzheimer’s Marker

Social Media ‘Influencers’ Can Get Kids Eating Junk Food

Seek Help Fast If You Have Heart Attack Symptoms on Vacation

Seek Help Fast If You Have Heart Attack Symptoms on Vacation

Health Tip: Dietary Fat Finds

Bad Reaction From a New Tattoo? Here’s What to Do

Happiness in Marriage May Rest in Your Genes

Exercise Secrets to a Better Bottom