Marijuana is made from the shredded and dried parts of the cannabis plant, including the flowers, seeds, leaves, and stems. It’s also known as pot, weed, hash, and dozens of other names. While many ...

New research on marijuana's impact on personal health shows that it's not just bank accounts that can shrink due to long-term recreational use. The drug may also decrease brain volume. “Long-term ...

As recreational pot has gained traction in states all across the country, more research has been focusing on its health effects. One argument marijuana supporters have stood by for years - that weed ...

Missourians are smoking pot, and a lot of it. Since the state's first medical marijuana sale in 2020, the Missouri cannabis industry has raked in more than $3.5 billion in cumulative sales. Over the ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

What does this all mean? Marijuana may increase testosterone in the short term, but more research is needed to understand the long-term effects. Does marijuana use lower levels of testosterone?