All Sauce from Weekly Sauce:

Have you ever wondered why hair grows on some parts of your body, but not others? New research offers a possible explanation. Scientists found that hairless skin secretes a protein that blocks a signaling pathway (WNT) that controls hair growth. Called Dickkopf 2 (DKK2), the protein is found in specific embryonic and adult tissues and…  read on >

Love your time in the local sauna? Your heart may love it, too. New research from sauna-loving Finland suggests that for people aged 50 and older, saunas may lower their odds of risk of dying from heart disease. Specifically, just 5 percent of Finns in the study who spent more than 45 minutes in a…  read on >

The hearts of women who snore appear to become damaged more quickly than those of men who “saw lumber” at night, a new study suggests. Evaluating nearly 4,500 British adults who underwent cardiac imaging, researchers also learned that obstructive sleep apnea (OSA) may be vastly underdiagnosed among snorers. This finding surprised study author Dr. Adrian…  read on >

Bottled water is the fastest growing drink choice in the United States, the Environmental Protection Agency says. The U.S. Food and Drug Administration regulates bottled water as a packaged food under the Federal Food, Drug and Cosmetic Act. The EPA defines the different types of water available: Artesian water, ground water, spring water, well water…  read on >

Antibiotics are frequently prescribed to fight bacterial infections. But if used improperly, the bacteria they are meant to kill can become resistant. The American Academy of Pediatrics offers these guidelines for safe antibiotic use: Use the medicine exactly as directed. Make sure the recipient takes the entire course of antibiotics, even if the person is…  read on >

Risk of heat-related disease and death is rising worldwide due to climate change, a new report warns. Hotter temperatures threaten the elderly and other vulnerable people with heat stress, and heart and kidney disease, according to an international team of experts. Last year, more than 157 million at-risk people were exposed to heat waves worldwide.…  read on >

Running, swimming, cycling and other types of endurance exercise can slow cellular aging, but strength training may not, a new study suggests. Researchers looked at how different types of exercise affected telomeres in 124 inactive, young, healthy adults. Telomeres are protective caps on the ends of chromosomes. As you age, telomeres shorten and result in…  read on >

Infant ear infections can be a source of frustration for parents and babies alike. But there are steps to lessen them and, when they do occur, “less is more” is a better way to treat them. A typical infection can begin with bacterial growth. Inflammation can lead to fluid buildup behind the eardrum. The eustachian…  read on >

Many older drivers take medications known to raise the risk of a crash, a new study shows. It found that nearly 50 percent of older adults who drive use seven or more medications. Nearly 20 percent take what are called potentially inappropriate medications because they have limited benefits, pose excess risk of harm, or both.…  read on >

Women at increased risk for breast cancer should start receiving mammograms earlier than recommended, even as young as age 30, a new study contends. Young women who have dense breasts or a family history of breast cancer appear to benefit from regular mammograms as much as women in their 40s do, researchers reported. The findings…  read on >