Signs of cocaine use include frequent sniffing, runny noses, frequent nose bleeds, bloodshot eyes, sweating, rapid speaking and changes in eating behaviors. Find out why noticeable weight loss may be a sign of cocaine use with help from an addiction specialist in this free video on substance abuse.

Expert: Dr. Kim Makoi
Bio: Dr. Kim Makoi has been a chiropractor in San Francisco for more than 11 years. He is also an addiction specialist.
Filmmaker: Sam Lee