Multiple Sclerosis, or MS, is a disease of the central nervous system where nerve impulses are disrupted. With MS, the immune system attacks the nervous system. The protective cover over the nerves, called myelin, is damaged or destroyed, and nerve impulses no longer flow smoothly. The scar tissue on the myelin is called sclerosis, giving the disease its name. MS occurs in people who respond to environmental factors that trigger the disease.

Did you know that the United States is the only developed country in the world without a universal health care system? In other nations health care is viewed not as a privilege reserved for those who can afford it, but as a basic human right.

To spark your curiosity, here’s a list of some of the rarest diseases in the world. Hopefully, if you’re lucky, you’ll go your entire life without having to deal with one of these conditions up close and personal. Check it out and see if any of your obscure symptoms match a syndrome listed.

Nowadays, about half of Americans seek treatment from a therapist to help them with a variety of issues in their lives. Anyone who tells you that you don’t need a therapist, or that you should just work it out on your own, is wrong. Maybe you’ve had a traumatic break up, or are struggling with mental health issues — a therapist can help with both of those things.

Nearly 1 in 3 Americans will develop a shingles infection at some point in their lifetime, according to statistics from the Centers for Disease Control and Prevention. While shingles is often associated with those over the age of 50, anyone who has had chickenpox is at risk for developing the viral infection, even children on rare occasions.