1 Hoarseness is an abnormal change in the voice. 2  The most common cause of hoarseness is acute laryngitis.  The underlying cause of hoarseness can usually be diagnosed by a health care professional based on the patient's history and physical exam.
The effects usually stop after 3 or 4 hours. Smoking pot can increase your heart rate by as much as two times for up to 3 hours. Thatâs why some people have a heart attack right after they use marijuana. It can increase bleeding, lower blood pressure, and affect your blood sugar, too.
The long-term effects of marijuana include physical, emotional, behavioral and addictive components. including: 1  Lung damage from being smoked. 2  Affects mental status especially leading to schizophrenia, depression and anxiety. 3  Decreased fertility.