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Women who post 'fitspiration' images on Instagram may be at greater risk for an eating disorder compared to women who post travel images.

Running, even just once a week, is associated with a 27% lower risk of premature death for adults.

In same-sex or heterosexual couples where one partner is HIV-positive and receiving treatment with anti-retroviral therapy (ART), the risk of transmitting HIV through condomless sex is effectively zero.

Health

In a small sample of men aged 19-35, 12 weeks of interval training on a bike improved cardiovascular health similarly to endurance training, but required much less time per workout.

Re-reading or highlighting textbooks to study is a less effective learning strategy than frequent practice and testing over periods of days, weeks, or months.

Mindfulness-based art therapy reduced headaches and stress in a group of 8 teenage girls.

Exposure to higher levels of animal and pest allergens (cats, cockroaches, and mice) during the first three years of life was linked to a reduced risk of asthma at the age of seven.

Being overweight was associated with worse hearing in both middle-aged women and children aged 11-12.

International Journal of Obesity

Health

Women sleep better and feel more comfortable and secure when sharing their bed with dogs rather than with cats or human partners.

Having a partner who empathizes with one’s negative emotions is good for relationship quality, although empathizing with positive emotions may carry even greater benefit.

Journal of Social and Personal Relationships

Happiness