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The brainwaves of couples tend to synchronize when they are in each other’s presence, and holding hands markedly lowers pain levels—especially if the man is empathetic.

Rising temperatures could cause six additional nights of poor sleep per 100 people by 2050 and 14 by 2099, say scientists.

Breast cancer survivors that regularly perform moderate-to-vigorous physical activity show improved attention, memory and multitasking abilities.

Fresh tomatoes and fruit, especially apples, help heal damaged lungs of ex-smokers and can slow the natural decline of lung function that typically occurs after age 30.

Thais with hay fever that soaked in half-hour steam baths three times a week reported fewer symptoms such as sneezing, nasal itching and congestion.

Bee venom reduces the Lyme disease bacterium more effectively than antibiotics, reports the Lyme Disease Research Group, in Connecticut.

Seniors whose walking slowed by as little as 0.1 percent a year were 47 percent more likely to decline cognitively.

Just 9 percent of U.S. adults eat enough vegetables and only 12 percent eat enough fruit every day, with consumption lowest among men, young adults and people living in poverty.

Teenage girls in polluted areas have a slightly greater likelihood of menstrual irregularity and take longer to achieve regularity in high school and early adulthood.

In one California agricultural region studied, the 5 percent of women with the highest exposure to pesticides had negative effects for all birth outcomes, including low birth weight, gestational length, preterm birth and birth abnormalities.