Sperm donation is apparently a grueling and exacting process through which not many men emerge. Fewer than four out of every 100 men who apply to be sperm donors actually wind up providing a sample that’s used in fertility treatment, a new study reports. The rest either give up or wash out, according to findings…  read on >  read on >

Older women who don’t stick to a set sleep and wake schedule may be more likely to struggle with feelings of depression and anxiety — even if they get a normal amount of zzzs. What’s more, a postmenopausal woman who goes to bed very early and wakes up very early (an “early bird”) or goes…  read on >  read on >

Following the deaths of 15 infants, families are advised to immediately stop using all models of Kids2 Rocking Sleepers, according to a second recall notice. Four of those 15 babies died after the first recall notice, the U.S. Consumer Product Safety Commission (CPSC) reported. The company is recalling 694,000 Rocking Sleepers. Parents can contact the…  read on >  read on >

A leading pediatricians’ group has issued new guidelines on treating obesity in children and teens that, for the first time, call for early, aggressive intervention that can include weight-loss drugs and surgery. “There is no evidence that ‘watchful waiting’ or delayed treatment is appropriate for children with obesity,” Dr. Sandra Hassink, an author of the…  read on >  read on >

An antidote to teenage depression might be found in school gymnasiums and on sports fields, a major new review argues. Supervised exercise programs are associated with significant reductions in symptoms of depression among children and teenagers, according to the analysis of data from 21 studies involving more than 2,400 kids. “This is the first time…  read on >  read on >

Air pollution may trigger more asthma attacks in urban children and teens, a new study reports. Even moderate levels of ozone and fine airborne particulates — two ingredients of smog — appear to increase kids’ risk of asthma attacks, according to findings published online Jan. 4 in The Lancet Planetary Health journal. “The strong association…  read on >  read on >