Interval training: A shorter, more enjoyable workout?

High-intensity interval training (HIIT) is a time-efficient way for people to improve their fitness and cardiovascular health. Even short bursts of high-intensity activity may trigger the release of mood-boosting brain chemicals. Traditionally, HIIT features 30 to 90 seconds of high-intensity effort followed by an equal or longer period of lower-intensity activity or rest. HIIT variations include fartlek (Swedish for “speed play”), which uses environmental cues to set intervals, and Tabata, which features 20-second intervals of intensity followed by 10-second recovery intervals.

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PTSD: How is treatment changing?

PTSD (post-traumatic stress disorder) is a potentially debilitating mental health condition marked by recurrent, frightening episodes during which a person relives a traumatic event. Newly released guidelines can help guide treatment; they recommend which therapies are most effective, and which are not recommended.

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A bird flu primer: What to know and do

A bird flu strain that began circulating in 2020 continues to evolve globally and locally within the United States. If you're wondering what this means, understanding the basics — what bird flu is, how it spreads, whether foods are safe, and prevention tips — can help.

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