Symptoms like stomach pain and bloating can be early signs of certain cancers that are on the rise in people under age 40.SDI Productions/Getty Images Exhaustion. Fever. Unexplained aches and pains.

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Exhaustion. Fever. Unexplained aches and pains. Bloating. As colorectal cancer and breast cancer are ...