The condition, called left anterior fascicular block (LAFB), involves scarring in a section of the hearts' left ventricle (pumping chamber). People with the condition may be at higher risk of heart failure, sudden cardiac death or a dangerous heart rhythm disorder called atrial fibrillation, the new study found. In this study, researchers analyzed data from more than 1,600 people older than age 65 who were followed for 16 years.
Answers. Best Answer: Constipation is not a confirmed side effect of valerian root as listed on drugs.com. Please click this link for confirmation: http://www.drugs.com/sfx/valerian-side-e... (By the way, that's about as few side effects as I can remember seeing on drugs.com for a medication!
Valerian may not be safe if you're pregnant or breast-feeding. And it has not been evaluated to determine if it's safe for children under 3 years old. If you have liver disease, avoid taking valerian. And because valerian can make you drowsy, avoid driving or operating dangerous machinery after taking it. Drug interactions are possible. Valerian may increase the effects of other sleep aids. It also increases the sedative effect of depressants, such as alcohol, benzodiazepines and narcotics. Valerian can interfere with some prescription medications. And it may interact with other dietary supplements, such as St. John's wort.