A roundup of new and noteworthy insights from the week’s most talked-about studies:
1 INTENSE WORKOUT REGIMENS MAY LOWER MEN’S SEX DRIVES
A study in Medicine & Science in Sports & Exercise found that men who engaged in exercise low in intensity or duration were more likely to have a high libido, while high-intensity or longer workouts were associated with a lower sex drive.
2 HIGH-ACHIEVING STUDENTS ARE MORE LIKELY TO USE POT
A study of over 6,000 U.K. teenagers in BMJ Open found that high-achieving students were 50% more likely to use pot occasionally than those who didn’t perform as well academically, and they were almost twice as likely to use it regularly.
3 KINDNESS IS KEY TO A HAPPY MARRIAGE, EVEN IF IT GOES UNRECOGNIZED
A study in Emotion found that completing an act of compassion for a spouse–like clearing snow off the spouse’s windshield in the morning–improves the giver’s emotional well-being, even when the spouse doesn’t acknowledge it. Under those circumstances, the giver may get up to 45% more emotional benefit than the recipient.
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Write to Julia Zorthian at julia.zorthian@time.com