When you're under stress, your body has an excess of nervous energy. Engaging in physical activities can help release this pent-up energy to make you feel relaxed. So, the answer would be: Something he enjoys, such as biking or swimming.
I am quite sure this is the correct answer.
(Also, Something rigorous, such as running a marathon wouldn't be a good choice as it is exhausting and you want to relax and help yourself).
I Hope This Helped You, Good Luck! =)
die hard to get something like that no more 3333333
Gut bacteria include Lactobacillus, the bacteria commonly used in probiotic foods such as yogurt, and E. coli bacteria. About a third of all bacteria in the gut are members of the Bacteroides species. Bacteroides are key in helping us digest plant food.