All Sauce from Weekly Sauce:

Bicycling to work can vastly improve your health and reduce your risk of death, a new study shows. People who bike commute have a 47% lower overall risk of an early death, researchers found. They also are less likely to develop heart disease, cancer and mental health problems, results show. Walking to work also conferred…  read on >  read on >

Exercise near bedtime won’t necessarily wreck a person’s sleep, a new study says. Intense exercise is typically discouraged as bedtime approaches, since such activity can disturb sleep by increasing body temperature and heart rate, researchers said. But short resistance exercise “activity breaks” at regular intervals can actually improve a person’s sleep, compared to winding down…  read on >  read on >

Autopsies of deceased boxers and pro football players have long confirmed that repeat head injuries can lead to a devastating brain condition known as chronic traumatic encephalopathy (CTE). Now, research supports the notion that contact sports can also raise the odds for a Parkinson’s-like disease, called parkinsonism, in athletes already affected by CTE. In the…  read on >  read on >

Most salmonella outbreaks linked to poultry are caused by just a few strains of the diarrhea-causing bacteria, a new study finds. There are more than 2,600 different types of salmonella bacteria, but only three strains are most likely to cause illness in humans, researchers report. Interestingly, one of the most common types found in U.S.…  read on >  read on >

Defiance, tantrums, aggression: All signs of a condition called conduct disorder, which Mental Health America says affects up to 16% of boys and 9% of girls. Now, research is revealing real differences in the brain structure of children and youths with conduct disorder, compared to those without the condition. Specifically, the study of the brains…  read on >  read on >

Dropping weight prior to competition is a common practice among athletes. But starving oneself prior to an intense athletic event is likely a wrongheaded, self-defeating practice, a new study warns. Triathletes who ate less prior to competition lost more muscle mass and performed poorly, compared to their function after they followed a sensible diet, researchers…  read on >  read on >

Food tends to taste bland in space, astronauts have reported, making it tough for them to eat enough to stay healthy. Focusing on foods’ smell might help overcome this problem, a new study says. Aroma plays a big role in the flavor of food, and researchers found that certain scents might be more powerful in…  read on >  read on >