COVID-19 vaccines and menstrual cycles | E-cigarettes | Fiber in cancer immunothera

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Young black woman with bandage from vaccination
COVID-19 vaccines linked to small increase in menstrual cycle length
Women who received COVID-19 vaccines had a less than one-day increase in the length of their menstrual cycles around the time of their doses.




Businessman standing at balcony railing and looking down on a city street
E-cigarette use may lead some to quit traditional cigarettes
Cigarette smokers who had no plans to quit were more likely to quit smoking cigarettes if they started using e-cigarettes.





Metastatic melanoma cells.
Fiber in diet linked to cancer immunotherapy response
People who ate a high-fiber diet and didn’t use over-the-counter probiotic supplements lived the longest after immunotherapy for melanoma.

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