In drownings among young males which risky behavior is exhibited in about half the cases

In drowning among young males, The risky behavior that is exhibited in about half the Cases is : DRINKING ALCOHOL

Drinking alcohol tend to numb your consciousness and reduce the capabilities of your motoric system, which will be really dangerous if you're inside a water 

Hiv can be transmitted through oral sex. you can get hiv through vaginal fluid and semen. if you have an open sore or cut in or near your mouth and an you get the semen or vaginal fluid of an infected person in those cuts or sores, you can get hiv