From Dr. James Marchums

Latest Medical News from Doctor TV

Cannabis impacts sperm counts, motility in two generations of mice

An intense but short-term exposure to cannabis vapor lowered sperm counts and slowed sperm movement, or motility, not only in the directly exposed male mice but also in their sons. [...]

Exposing inequalities: The underlying connection between COVID and AIDS

It was mid-March 2020 and Brad Sears had a good indication of what was going to happen next. He had survived the AIDS epidemic four decades ago and based on that experience knew COVID-19 would quickly expose existing social inequalities. [...]

Global research identifies causes of stroke

A global study into causes of stroke has found that one in 11 survivors experienced a period of anger or upset in the hour leading up to it. One in 20 patients had engaged in heavy physical exertion. [...]

COVID-19 studies should record women's menstrual changes, recommend researchers

Large-scale COVID-19 studies and clinical trials should collect data on menstrual changes, according to new research which evaluated current evidence. The findings, to be published in the International Journal of Epidemiology and led by University of Bristol researchers, say there is an important public health imperative for accurate scientific investigation of menstrual changes in relation to the COVID-19 pandemic. [...]

Vaccinated who get breakthrough infections are less contagious

People who are vaccinated for SARS-CoV-2 but get breakthrough infections may be less likely to spread the virus because they shed it for a shorter period than unvaccinated people who are infected, according a new study led by Harvard T.H. Chan School of Public Health. [...]

Effects of digital technologies on older people's access to health and social care

Researchers at the Older People and Frailty Policy Research Unit have authored the article "Effects of Digital Technologies on Older People's Access to Health and Social Care: Umbrella Review," which was published in November 2022 in the Journal of Medical Internet Research. [...]

Previous infection may not stop Omicron: South Africa

People infected with earlier variants of COVID do not appear to be protected against Omicron, although vaccination will still prevent serious illness, a top South African scientist said Thursday. [...]

First Omicron case confirmed on French mainland

French authorities said Thursday they had confirmed the first case of the COVID-19 Omicron variant on the mainland, a man in his 50s who recently returned from Nigeria. [...]

German leaders plan crackdown on unjabbed to tackle COVID surge

German leaders including Chancellor Angela Merkel and her designated successor Olaf Scholz are expected to approve a de-facto "lockdown for the unvaccinated" on Thursday to combat surging COVID cases. [...]

Mathematical model of light and circadian data improves sleep timing in people with schizophrenia

Disturbed sleep timing in people living with schizophrenia is more likely to be related to light exposure than to intrinsic biological factors. [...]