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 Root Dosage: An Introduction. Some information about valerian root dosing can be obtained from clinical studies and from practical experience with the supplement. For insomnia, doses of 300 to 900 mg of valerian root extract are sometimes recommended.It is best to try it at night first, 30 minutes to two hours before bedtime. If you find that it does not work quickly enough for you, then you may try taking it a little earlier in the evening.There is some evidence that valerian root may take a while -- sometimes as long as a month -- to start working in some people.or insomnia, doses of 300 to 900 mg of valerian root extract are sometimes recommended. It is best to try it at night first, 30 minutes to two hours before bedtime.