Plenty of people are afraid of things like spiders, lightning, and enclosed spaces, but did you know there’s a phobia for just about anything and everything you can think of? Here are 50 of the most bizarre fears that have actually been formally diagnosed.

Right now, if someone were to hand you a survey which asked when you last suffered from chronic pain, and you were able to answer “never,” count yourself lucky as 100 million Americans are not able to say the same. When doing the math, this number is greater than those dealing with diabetes, coronary heart disease, stroke and cancer combined. That’s huge.

Postpartum depression can feel isolating and scary, and far too often it’s an experience that new moms are hesitant to discuss. Many women feel guilty or fear being judged, and others believe something must be wrong with them. In reality, that’s not the case, and you don’t have to feel alone. 1 in 7 women experience postpartum depression, making it surprisingly common.

Post-traumatic stress disorder (PTSD) is a psychiatric disorder, occurring as a by-product of witnessing or experiencing a traumatic event. The most common causes of PTSD are a natural disaster, vehicular accidents, an act of terrorism, wartime combat, sexual assault, or any other violent act. This isn’t even close to a full list.

According to The World Health Organization, there are officially more than 12,420 different, documented diseases in the world. Most of us, especially in this part of the world, have it narrowed down to just a few.

Anxiety is a condition that plagues many people; some visit medical professionals on a regular basis, while others are afraid to take that route just yet. Still though, most of us with anxiety share a similar hope: that our friends can more fully understand us.