Sorry but you cannot draw any form of conclusion on a study with 19 participants in 1 test group and 20 in the other.
When you look at the actual study done (https://www.nature.com/articles/s41562-017-0226-y), they have measured activation of the area of the brain responsible for rewards (Dopamine production). The 19 Males have shown to provide 1-1.5% more than the female on average.
Looking at the effects of the drug, show they have the same effects on both Male and Females.
It really annoys me that such small studies get published with unknown biases, and are taken out of hand by some reporter and blows it out of proportion by slamming triggering headlines, without even looking at the actual experiment structures, boundaries and results.
Thank you for your comment. I think the study is very interesting and remarkable, but certainly more experimentation is needed for more robust confirmation. I agreee that the source of this article is journalistic in nature and its conclusions may not have the rigor of a scientific reference.
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I think it could be. Although the minor differences and massive biases here are creating for what I would say a null result. As they say, more testing required.
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