Pterosaurs — the flying relatives of dinosaurs — could control the color of their plumage, researchers have discovered. Pterosaurs lived alongside dinosaurs, 230 million to 66 million years ago. The investigators analyzed a 115-million-year-old fossilized head crest of a pterosaur called Tupandactylus imperator found in northeastern Brazil. The bottom of the crest had a fuzzy… read on > read on >
Twelve companies have been issued warning letters about selling over-the-counter skin lightening products containing hydroquinone, the U.S. Food and Drug Administration announced Tuesday. The products are unapproved drugs that are not recognized as safe and effective, according to the FDA, which has received reports of serious side effects including rashes, facial swelling and skin discoloration… read on > read on >
Exercise may help safeguard your brain as you age, and a new study suggests how this might happen. Previous research has shown that physical activity helps protect brain cells. This paper indicates it may do that through lower levels of insulin and body fat. “These results may help us to understand how physical activity affects… read on > read on >
Staving off Alzheimer’s disease might just take a healthy diet, exercise and an active mind, a new study suggests. Women and men who follow a healthy lifestyle live longer — and longer without Alzheimer’s or other dementias, researchers say. “Eating a healthy diet rich in vegetables, berries, whole grains, and low in fried or fast… read on > read on >
By now, most people have heard that exercise is good for their health. A new review suggests it can it also make a difference in major depressive disorder. Researchers analyzed 15 existing studies with data on exercise and depression, finding an association between physical activity and depression risk. The investigators estimated that almost 12% of… read on > read on >
Sitting tai chi provides stroke survivors with recovery benefits similar to those achieved with standard rehabilitation, a new study finds. Tai chi involves a series of slow movements of the hands, arms, neck, legs and core combined with deep breathing. Researchers developed a tai chi routine that stroke survivors can do while sitting. “Tai chi… read on > read on >
When the world gets you down, go for a walk and make your heart happy. Physical activity is one of the best ways to manage stress and boost your mood, while reducing your risk for heart disease and stroke, according to the American Heart Association (AHA). The AHA recommends at least 150 minutes of moderate-intensity… read on > read on >
America’s roads are getting ever more dangerous for pedestrians, a new study finds. During the first six months of 2021, there was a 17% increase in pedestrian deaths in the United States — and that just continues the sharp increase seen over the previous 10 years, the researchers noted. There were over 3,400 pedestrian deaths… read on > read on >
As sign-ups for youth football get underway this spring, a new study reveals that Americans may love their football, but half now believe that kids should not play the tackle version of the game. The researchers found that of nearly 4,000 U.S. adults surveyed, only 45% agreed that tackle football is an “appropriate sport for… read on > read on >
Newer sunscreens that can match your skin tone may encourage more people to use sunscreen, an expert says. “The lighter a person’s skin, the higher their risk for skin cancer,” said Dr. Henry Lim, former chair of dermatology at Henry Ford Hospital in Detroit. “While people with darker skin have a lower risk for skin… read on > read on >
