A new study confirms that COVID-19 vaccines can temporarily affect menstruation

The study, published in the medical journal BMJ, looked at nearly 20,000 women worldwide who self-reported their menstrual cycle via Natural Cycles, an FDA-approved contraceptive app. The study participants who were vaccinated reported an average increase in menstrual cycle length almost a day after receiving the first COVID vaccine and an increase of half a … Read more

Some pre-existing medical conditions are much more important in assessing COVID-19 outcomes

New newspaper in Biological methods and protocols, published by Oxford University Press, points out that some pre-existing conditions – including degenerative neurological diseases, dementia, and severe disability – matter much more than once thought of when assessing who is at risk of dying from COVID-19. COVID-19 has changed lives dramatically. In the United States, the … Read more

IVF with frozen embryos may be associated with a higher risk of developing hypertensive disorders in pregnancy

According to new research published today in Hypertension, the journal of the American Heart Association. By comparison, the study found that pregnancies from fresh embryos – the transfer of a fertilized egg immediately after in vitro fertilization (IVF) instead of a frozen, fertilized egg – and pregnancy from natural conception were associated with a similar … Read more

New research shows that reusable contact lenses can cause blindness

Don’t be blind to the risks of your contacts! Wearing reusable contact lenses can lead to a rare infection that causes blindness, according to new research. According to a study published in the journal Ophthalmology, people who wear reusable lenses are almost four times more likely to develop a corneal infection that causes blindness than … Read more

Research shows that consistent, good night’s sleep supports the immune system

Ensuring consistent good sleep at night supports the normal production and programming of hematopoietic stem cells, the building block of the body’s innate immune system, according to a small study in humans and mice supported by the National Institutes of Health. Sleep has long been linked to immune function, but scientists have found that getting … Read more