CBD has few side effects and is considered a safe substance to take. 1  These are the known side effects of CBD: 2  Inhibition of hepatic drug metabolism/decreased activities of p-glycoprotein and other drug transporters. 3  Dry mouth. 4  Increased tremor in Parkinsonâs patients. 5  Low blood pressure. 6  Lightheadedness. 7  Drowsiness.
1 Stress causes the body to release inflammatory markers into the bloodstream. These markers may worsen heart disease or increase the risk of a heart attack or stroke.  Studies have reported an association between stress and high blood pressure, which may be more pronounced in men than in women.
Cancer has many factors that causes excessive fatigue, such as: weight loss, breakdown of the tissues with release of energy, hormonal imbalances, depression and anxiety, which by themselves can cause fatigue, sleep disruption can also lead to sleepiness and fatigue, cancer treatments, such as radiation and chemotherapy can also cause extreme fatigue.