They gave some people pineapple, some bromelain, and some a fake pill, and then observed how much pain and swelling they had for a week. The people who got the pineapple or bromelain felt less ...

Every pill isn't the same," says Cross ... Here are some period inducing myths you should skip: Drinking pineapple juice. Pineapple contains bromelain, an enzyme that is thought to affect hormones ...