I smoke marijuana from time to time, but i have read about how it can create negative thought patterns. should i stop, or is it fine for me to do it on occasion?

Marijuana effects: Let the Wise Man within you ask: • Reasons to use Marijuana • Use of Alcohol, drugs, Medications • History of Dependence • Depression often occurs with marijuana usage. • The ability to learn, remember and adapt quickly to changes is impaired by its use. • It seriously impairs judgment and motor coordination. • 6 to 11 percent of fatal accidents are contributed to by its side effects.