While the frequency of drought in the region is thought to have increased from the end of the 19th century, three long droughts have had dramatic environmental and societal effects upon the Sahel nations.
Peyronie's disease. Peyronie's disease or Peyronie disease (/peÉªroÊËniË/), also known as induratio penis plastica (IPP) or chronic inflammation of the tunica albuginea (CITA), is a connective tissue disorder involving the growth of fibrous plaques in the soft tissue of the penis affecting an estimated 5% of men.
Pilonidal disease is a chronic infection of the skin in the region of the buttock crease (Figure 1). The condition results from a reaction to hairs embedded in the skin, commonly occurring in the cleft between the buttocks. The disease is more common in men than women and frequently occurs between puberty and age 40. It is also common in obese people and those with thick, stiff body hair. Figure 1: Pilonidal disease is a chronic skin infection in the buttock crease area. Two small openings are shown (A).