This week’s health news was filled with useful tips about how to feel better and happier with a bit of self-care, like taking a walk during work and getting an occasional massage. Here’s what else caught our attention this week. (Sign up for our newsletter for more.)

If you’re tired of battling post-work fatigue, take a walk. A quick lunchtime stroll in a green space helped people concentrate more and feel better for the rest of the afternoon.

The sexually transmitted infection is more common than you think. Even more concerning: one in five adults has the type that puts a person at higher risk for cancer.

The smile-making, anxiety-relieving benefits of pet therapy are fur-real.

Tattoos come with some rare but real risks, including blood-borne diseases from tainted ink and cancer.

Here’s how much aspirin is linked to a lower risk of cancer death, and how long people have to take it before these benefits emerge.

Touch therapy is powerful—even against lower back pain, the leading cause of job disability worldwide. In a new study, massage helped most back pain sufferers feel better.

A small new study finds that it’s safe for cancer patients to take large doses of intravenous vitamin C while undergoing radiation. Doctors are now looking into whether doing so helps their treatments work better.

Newborns cry more in the U.K., Canada and Italy than they do in other countries, according to a new study. The driest infant eyes are in Denmark, Germany and Japan. (Still a mystery: why people cry in the first place.)

Hearing the soothing sounds of nature may help people get out of their own heads, a new brain imaging study suggests.

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Write to Mandy Oaklander at mandy.oaklander@time.com.