+29 Cause Of Thinning Hair References. Hormone changes as you age can cause balding. This can help determine whether an infection is causing hair loss.
Underlying illness, autoimmune conditions such as lupus, nutritional deficiencies, or hormonal imbalances may also cause hair to shed. Web hair thinning is defined as mild to moderate hair loss, and it can happen to people of any gender or age. Hair loss or hair thinning is common in all sexes by about age 70 years;
