When people exercise aerobically, their bodies can actually make drugs — cannabinoids, the same kind of chemicals in marijuana.

Engraved stone dating back 30,000 years found in China. Incisions imply possibility of counting or recording?

Replying to [deleted] · From an evolutionary view we are pretty much the same people today as we were then. They were still smart just didn't have all the accumulated knowledge we have today.

They had the similar potential, but development of neuronal connections is dependent on learning and usage. Since they weren't subject to nearly the same level of stimuli during their development, their intellectual capa

Women with endometriosis tend to be more attractive

Replying to [deleted] · [deleted]

In my scientific Google study, I can confirm the article's findings. [With](https://www.google.com/search?hl=en&safe=off&q=women+with+endometriosis&bav=on.2,or.r_gc.r_pw.r_qf.&biw=1600&bih=762&um=1&ie=UTF-8&tbm=isch&sou

Nearly 90% of herbal sports supplements are mislabeled. One in ten contain prohibited substances | The labels of sports supplements are not what they seem to be.

Replying to rdesktop7 · Because those CEOs are not breaking any laws. You can put sugar pills in a bottle, and call it anything you want as long as it's listed as a "supplement".

That's not true. Label claims and concentration are absolutely regulated. [Read 21 CFR 111](https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-111). All supplements have to be at or above label claim, with

People may feel more empathy for dogs than for some of their fellow humans

Replying to [deleted] · [deleted]

I hope eventually you realize that cautionary logic, and trust for those around you, are not mutually exclusive. People are stupid, emotional, under-informed, over-reactionary, and generally ignorant. However, they are a

MDMA may help in depression and PTSD, study suggest. Taboo surrounding substances prevents further research. [THE GUARDIAN]

Replying to _angel · It depends how strong the dose is. It takes 2 months from someone who has no serotonin in their system to go to full, kind of like filling up a water tower. However, if someone t…

That's such a massive oversimplification. There is absolutely no way to measure amounts of serotonin depletion in live subjects. Also, the rate at which it is replenished is dependent on many variables, like the amount o

Spiders are 'misunderstood' and feared for their shape

Well I think it has a lot to with spiders biting you, when butterflies do not.