sábado, 25 de noviembre de 2017

Oral Contraceptives Linked to Suicide

Oral Contraceptives Linked to Suicide

Bioedge

Oral contraceptives linked to suicide
     
A study published in the American Journal of Psychiatry has found a positive association between the use of oral contraceptives and suicide attempts and suicide.
The study, conducted by researchers based in Denmark, involved a review of nationwide registers that provided individually updated information about use of hormonal contraception, suicide attempts, suicide, and potential confounding variables. Using data from nearly half a million women, the study analyzed prescriptions and filled prescriptions for contraceptives, as well as deaths and causes of death, and compared women taking this type of birth control to women who did not have a history of contraceptive use.
Among women who used hormonal contraceptives currently or recently, the risk of attempting suicide was nearly double that of women who had never used contraceptives. The risk was triple for suicide. The patch was linked to the highest risk of suicide attempts, followed by IUD, the vaginal ring and then pills.
Compared with those who had never used hormonal contraception, the relative risk of a suicide attempt rose twofold 1 month after initiation of hormonal contraceptive use, and the elevation in risk persisted with a decreasing trend after 1 year of use.
“Women should be aware of this potential adverse effect of hormonal contraception so that they might consider alternatives if they develop depression after starting use of hormonal contraception,” Øjvind Lidegaard, MD, Department of Gynecology, Rigshospitalet, Copenhagen, and Faculty of Health and Medical Sciences, University of Copenhagen, Denmark, told Medscape Medical News.
Bioedge

Bioedge

Saturday, November 25, 2017

Good scientists have to be curious, tenacious, creative, intuitive and analytical. And it helps if they are humble, as well. At least that is my impression after reading about the Italian neurosurgeon Sergio Canavero (see below.)

Canavero is the latest figure in a long queue of talented scientists led astray just in the last couple of years by the glamour of celebrity. Dr Canavero would no doubt deny this, but the scientific community is very sceptical of his project to transplant living heads onto living bodies. And although he has not had a single success in this project, he is already dreaming of transplanting brains.

Celebrity and science can make a toxic mix. There is thoracic surgeon Paolo Macchiarini, another Italian, whose work on artificial tracheas was hyped as life-saving, but turned out to be fraudulent.

Dutch social psychologist Diederik Stapel was renowned for his controversial research. He had faked the results of his experiments and even his PhD. Michael LaCour made headlines for his surveys about changing minds about gay marriage. He never carried out the surveys.

Japanese stem cell scientist Haruko Obokata found an incredibly simple method for creating pluripotent stem cells. And in fact, it was incredible.

What makes extremely talented and creative researchers choose the path of a circus performer rather than a dedicated scholar? Everyone has a different story, but perhaps the ancient Anglo-French word vaynglorie (vainglory) expresses it best. Are there classes for post-graduate students in humility? Perhaps there ought to be.



Michael Cook
Editor
BioEdge
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