"... men with higher sperm concentrations are likely to have more testosterone in their bodies and thus may be more likely to smoke marijuana because simply they are willing to take more risks."
The title of the article states the facts, and how the fact came to be has not yet been tested.
“Although laboratory experiments suggest it is possible that some substances used in Ayurveda might be developed into effective treatments, there is no scientific evidence that any are effective as currently practiced. Ayurveda medicine is considered pseudoscientific.”
https://examine.com/supplements/ashwagandha/
Obviously the practice of Ayurveda isn't scientifically based. But there is plenty of scientific evidence that the herbs used in Ayurveda are effective.(not necessarily at everything but certainly for some things)
Except that isn't even accurate analysis of what's going on, because tons of ayurvedic herbs HAVE been studied and they have been found to have powerful effects. Check examine.com for like the top 10 most prescribed ayuverdic herbs and you'll find a wealth of proven biologic activity and pharmacologic activity.
Second. You know what studied and proven to be effective plants and herbs are called? Drugs/medicine.
Someone wants a cup of tea?
That or you have fourty years of urban legends and billions who believe it without checking any facts.
So that blows this argument out of the water. Cause it's not actually a risk.