Okwe keeps himself awake by chewing khat, a herbal stimulant. I substance that possesses a similar chemical structure to the khat plant's cathinone active component. Cathinone occurs naturally in the plant khat whose leaves are chewed as a recreational drug. Among lactating women who chew khat, -norpseudoephedrine is found in breastmilk. The widespread cultivation of khat in Yemen has exacerbated a severe water shortage. Awoday in Hararghe is the biggest market of khat exporting to Djibouti and Somalia. Other main export commodities are khat, gold, leather products, and oilseeds. The chewer can develop constipation and heartburn after a khat session. The most common headdress was the khat or nemes, a striped cloth worn by men. The report also investigated attitudes towards khat use among Somalis in Denmark. Others faulted them for excessive consumption of alcoholic beverages and khat. Possession of khat for personal use is not an indictable offense in Canada. Oromia is a major contributor to Ethiopia's main exports - gold, coffee, khat and cattle. The ban has reportedly served to increase the price of khat in the UK. The possession and selling of Khat may lead to life imprisonment.