Money may not buy happiness, but exercise apparently can.

According to a new study from Yale and Oxford researchers, exercise is more important than economic status when it comes to mental health.

The study asked participants to reveal how frequently they felt mentally unwell as well as their income and more than 75 types of physical activity. The participants who said they exercised regularly reported a lower number of days of feeling unwell.

All types of exercise showed a higher level of mental health in the study's participants, but the people who reported the lowest number of days of feeling mentally unwell were those who participated in team sports, cycling and aerobic and gym activities and exercised at least 45 minutes, three to five days a week.

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