Everyone loses hair. It is normal to lose about 50-100 hairs every day. If you see bald patches or lots of thinning, you may be experiencing hair loss. There are many causes of hair loss. Women may notice hair loss after giving birth. People under a lot of stress can see noticeable hair loss. Some diseases and medical treatments can cause hair loss. Each condition has a separate treatment plan and patients blood tests are required to determine the cause of hair loss.