Low-dose THC can relieve stress; more does just the opposite - researchers report that low levels of THC, the main psychoactive compound in marijuana, does reduce stress, but slightly higher doses, enough to produce a mild “high”, actually increased anxiety.

See the source article by following the link below:
Low-dose THC can relieve stress; more does just the opposite - researchers report that low levels of THC, the main psychoactive compound in marijuana, does reduce stress, but slightly higher doses, enough to produce a mild “high”, actually increased anxiety.