Once the irritant is gone, the drainage generally returns to normal. Ad. Another cause of abnormal sinus drainage can be a bacterial or viral infection, most likely a cold or flu. The amount of infected sinus fluid overwhelms the natural drainage system, so it stagnates in the nasal passages and becomes thicker.
See if hormonal causes are at play. The most common cause of thinning hair for both men and women is a hereditary condition in which sex hormones cause hair to fall out in a particular pattern. While male or female pattern baldness is permanent, there are certainly measures you can take to slow it down and treat it.
How to Get Thick Hair. Some people are born with thick hair, while others have thinner hair by nature. Other factors like aging, your environment, and your stress level can cause your hair to fall out. Thinning hair is not entirely avoidable, but there are many strategies you can employ to make your hair appear fuller.