Author: usnchq

Mosquitoes are not just a buzzing summertime nuisance; they can carry serious diseases like West Nile virus, malaria, and Zika. In recent months, the US has seen an unusual spike in the mosquito-borne illness dengue fever, also known as breakbone fever. What is dengue, and where is it occurring in the US? How does it…

Dementia usually develops in people ages 65 years and older. So-called young-onset dementia, occurring in those younger than age 65, is uncommon. Now, a new study published in December 2023 in JAMA Neurology has identified 15 factors linked to a higher risk of young-onset dementia. Let’s see what they found, and — most importantly —…

Not so long ago, a friend texted me from a coffee shop. He said, "I can't believe it. I'm the only one here without a tattoo!" That might not seem surprising: a quick glance around practically anywhere people gather shows that tattoos are widely popular. Nearly one-third of adults in the US have a tattoo,…

Ever heard of mpox? Wondering why it’s back in the news? Many of us first learned about mpox (formerly called monkeypox) in 2022, when the largest known outbreak spread to nearly 100,000 people in more than 100 countries. While mpox often circulates in central and western Africa, the 2022 outbreak quickly spread from the Democratic…

Heavy rains and sea level rise contribute to major flooding events that are one effect of climate change. Surging water rushing into buildings often causes immediate harms, such as drowning deaths, injuries sustained while seeking shelter or fleeing, and hypothermia after exposure to cold waters with no shelter or heat. But long after news trucks…

Trees enhance life in a multitude of ways. They combat climate change by reducing greenhouse gases in the atmosphere. They muffle sound pollution and reduce air pollution, drawing in carbon dioxide and releasing oxygen. When rain pours from the skies, trees decrease stormwater runoff, preventing flooding and soil erosion. They also provide valuable habitats to…

All of us have an internal clock that regulates our circadian rhythms, including when we sleep and when we are awake. And light is the single most important factor that helps establish when we should feel wakeful (generally during the day) and when we should feel sleepy (typically at night). So, let me ask you…

If you’re struggling with depression, the most important question about taking an antidepressant is whether it will work. But another question on your mind may be whether it will fuel weight gain. A new study provides some context by suggesting how much weight, on average, people taking one of eight commonly used antidepressants might expect…

Social media and stores are full of products that promise perfect skin. Increasingly, these products are being marketed not just to adults but to teens and tweens. Many are benign, but some can cause skin irritation — and can be costly. And even if these products are benign, does buying them support unhealthy notions about…

You’re huffing and puffing and starting to sweat — and that’s just from walking across the parking lot in blistering heat and humidity. This summer has left us all struggling to stay cool. “The last 13 months have been the hottest on record. We’re seeing increased levels of heat-related illness, and it started earlier in…