For the first time, behavioral ecologists studied the impact of maternal stress on primate infants in the wild. Researchers followed non-human primate mothers through their gestation and their infants ...

Add Yahoo as a preferred source to see more of our stories on Google. What exactly is the connection between daytime sleepiness and dementia? And how do you know if your fatigue is a symptom of ...

Older people who are sleepy during the day or lack enthusiasm for activities due to sleep issues may be more likely to develop a syndrome that can lead to dementia, according to a study published in ...

Frolicking, wrestling, climbing, jumping -- Playing is a lot of fun and promotes development but is also very strenuous. Behavioral biologists therefore suspect that animals only play intensively if ...

A new study suggests that excessive daytime sleepiness and lack of motivation, known as motoric cognitive risk (MCR) syndrome, could be early warning signs of dementia. Addressing sleep issues early ...

Older people who feel sleepy during the day or show a lack of interest in activities due to sleep problems may be at a higher risk of developing a syndrome that can lead to dementia, according to a ...