IMAGE: Here at Reactions, we ask the tough questions to get to the bottom of the biggest scientific quandaries. In that spirit, this week's video explains why dogs sniff each other's... view more. Credit: The American Chemical Society.WASHINGTON, July 28, 2014 -- Here at Reactions, we ask the tough questions to get to the bottom of the biggest scientific quandaries.In that spirit, this week's video explains why dogs sniff each other's butts. It's a somewhat silly question with a surprisingly complex answer.ASHINGTON, July 28, 2014 -- Here at Reactions, we ask the tough questions to get to the bottom of the biggest scientific quandaries. In that spirit, this week's video explains why dogs sniff each other's butts.
Valerian is LIKELY SAFE for most people when used in medicinal amounts short-term. Clinical studies have reported safe use of valerian for medicinal purposes in over 12,000 people in trials lasting up to 28 days. The safety of long-term use is unknown. Some information suggests that valerian might also be safe when taken by children for 4-8 weeks. Valerian can cause some side effects such as headache, excitability, uneasiness, and even insomnia in some people. A few people feel sluggish in the morning after taking valerian, especially at higher doses.
Valerian is used for muscle and joint pain. Some women use valerian for menstrual cramps and symptoms associated with menopause, including hot flashes and anxiety. Sometimes, valerian is added to bath water to help with restlessness and sleep disorders.In manufacturing, the extracts and oil made from valerian are used as flavoring in foods and beverages. Inability to sleep (insomnia). 2  Some research suggests that valerian does not relieve insomnia as fast as âsleeping pills.â Continuous use for several days, even up to four weeks, may be needed before an effect is noticeable.