Veículo

• Home
• Veículos
• Seemayo

Your period could be crampin’ your style — and your future health. Girls are reaching puberty faster than previous generations, a phenomenon perplexing researchers. The average age of the start of menstruation decreased slightly from around 12.5 years in the 1950s and 1960s to 11.9 years for those born between 2000 and 2005. Research indicates that approximately 2% of girls begin menstruating after 15 — even fewer experience it before the age of 9. That’s [...]

Exhausted all options for better sleep? You’re not alone. About 12% of Americans experience chronic insomnia, defined as trouble falling asleep, staying asleep or returning to sleep after waking up in the night. Another 30% report occasionally struggling with insomnia. Researchers have identified the “3 Ps” of insomnia — factors believed to trigger and prolong habitual sleeplessness. These include predisposing factors like medical conditions, age and family [...]

Alzheimer’s disease is the most common form of dementia — accounting for 60 to 80% of cases in the US. As such, it is easy to forget that there are other types of neurodegenerative disorders. While they may be less common, their effects can be devastating. Primary progressive aphasia (PPA) is a rare form of dementia that primarily impairs language abilities while other cognitive functions remain relatively intact in the initial stages. PPA, which typically manifests between [...]

Summary: SARS_CoV_2, the virus responsible for COVID-19 infects and replicates in astrocytes, reducing neural viability. Source: FAPESP A Brazilian study published in the journal PNAS describes some of the effects infection by SARS-CoV-2 can have on the central nervous system. A preliminary version (not yet peer-reviewed) posted in 2020 was one of the first to show that the virus that causes COVID-19 can infect brain cells, especially astrocytes. It also broke new ground by describing [...]

According to the study, the amino acid taurine could be employed in anti-aging therapies. Our cells produce potentially toxic by-products known as “free radicals” when they break down the oxygen we breathe and the food we consume each day in order to exist. Some of these molecules carry out important biological functions, but if there are too many of them, the internal cell structures can be harmed, impairing the cells’ ability to function and possibly resulting in chronic [...]