Is That 'Midlife Crisis' Really Alzheimer's Disease?

Imagine you tell your 55-year-old mom you're going to get married and she's too disorganized to help you with the wedding preparations. Or you put your kids on the bus to elementary school and the 57-year-old driver forgets the route.

These are real scenarios, drawn from my clinical work with patients who have young-onset Alzheimer's disease.

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Blood Test Could Tell You What Time It Is In Your Body

Whether you're an early bird, a night owl or a functions-best-at-midday kind of person very much has to do with slight variations in your body's internal clock. But if you're unclear on what time it is inside your body, there might be a blood test one day that can tell you.

That could be important, because a "misalignment" between your body's clock and the actual time can be harmful. (An example of such a misalignment would be if the most accurate atomic clock says it's 8 p.m., while the cells inside a person's body said, no, it's 6 p.m.)

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Why Probiotics May Not Always Help, And Could Actually Do Harm

Plenty of people take probiotics in food or supplements in the hope of boosting their digestive health. But a new, small study suggests that some people may not benefit as much as others from these so-called good bacteria.

The study found that, when people consumed standard probiotic bacterial strains, some people's guts appeared resistant to the bacteria, meaning the bacteria failed to successfully live in or colonize their guts. But for others, the bacteria readily grew and flourished in the gut.

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Kosher Chicken Tied to Salmonella Outbreak in 4 States, US Officials Say

An outbreak of Salmonella tied to kosher chicken products has sickened 17 people in four states on the East Coast, according to federal health officials.

The illnesses occurred from September 2017 to June 2018 in Maryland, New York, Pennsylvania and Virginia, according to the Centers for Disease Control and Prevention (CDC). Among the cases reported, eight people were hospitalized and one person from New York died, the CDC said.

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Your Low Carb Diet Won't Kill You, But It's Probably Not a Good Idea

Could cutting carbs cut your life short? A new, preliminary study suggests that there may be a link between a low-carb diet and an increased risk of early death, but more research is needed before doctors will advise loading up on bread and pasta.

The findings were presented today (Aug. 28) at the European Society of Cardiology Congress in Vienna. The study has not yet been published in a peer-reviewed journal.

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China Won't Share Its Samples of a Deadly Flu Virus. Here's Why That's a Problem.

To protect people against the next flu pandemic, scientists need to know what flu strains are circulating and how they are changing. But such efforts can be stymied if countries don't share flu samples, and now, the Chinese government appears to be withholding samples of the dangerous bird flu virus H7N9 from the United States, according to news reports.

For more than a year, China has not provided samples of H7N9 to the United States, despite persistent requests from officials and research institutions, according to The New York Times.

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How Do You Know If Your Cut Has Flesh-Eating Bacteria?

"Flesh-eating bacteria" is as scary as it sounds — a serious infection that spreads quickly in the body and can result in the loss of limbs and even death.

But the condition, known medically as necrotizing fasciitis, is also rare, with about 4 cases per 100,000 people occurring each year in the United States, according to a 2015 study.

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Your Brain Contains Magnetic Particles, and Scientists Want to Know Why

In a remote forest laboratory in Germany, free from the widespread pollution found in cities, scientists are studying slices of human brains.

The lab's isolated location, 50 miles (80 kilometers) from Munich, gives the researchers the opportunity to examine a bizarre quirk of the brain: the presence of magnetic particles deep within the organ's tissues.

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Most Americans Support Gene Editing for Babies to Treat Diseases, Poll Finds

The idea of using gene-editing technology to tweak a baby's DNA before birth has been the topic of fierce debate for years. But now, most Americans say using this technology on embryos would be acceptable under certain circumstances, according to a new poll.

The poll, from the Pew Research Center, found that 76 percent of Americans say that altering an unborn baby's genetic characteristics in order to treat a serious disease the baby would have at birth is an appropriate use of gene-editing technology.

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'Good' Cholesterol May Be Bad for Some People

Having high levels of high-density lipoprotein (HDL) cholesterol, the so-called good cholesterol, is usually considered positive. But that might not be true for everyone: According to a new study, higher levels of HDL cholesterol may not always be healthy for the hearts of postmenopausal women.

HDL cholesterol protects the heart by carrying LDL cholesterol — the "bad" cholesterol — away from the arteries and to the liver, where it can be broken down and eliminated from the body, according to the American Heart Association. In general, a high HDL measurement along with a low LDL measurement is considered healthy.

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More Pregnant Women Are Having Heart Attacks. But Why?

Women who are pregnant may not spend much time worrying about their own hearts, but a new study suggests that the risk of having a heart attack during pregnancy or within six months of giving birth is on the rise in the U.S.

Researchers found that, from 2002 to 2014, the risk of a pregnant woman having a heart attack increased by 25 percent, with rates rising from 7.1 women per 100,000 women hospitalized during pregnancy in 2002 to 9.5 women per 100,000 in 2014. (Women who had heart attacks within six weeks of giving birth are included in these statistics.)

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This Magnetic Wire Could One Day Pull Cancer Cells from Your Blood

Scientists think that magnets could be utilized in the body to detect tumor cells that other diagnostic techniques might miss.

Researchers at the Stanford University School of Medicine created a magnetic wire that could, in theory, be inserted into a person's vein, where it could snatch up tumor cells that had been magnetized by special nanoparticles.

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Parasite Outbreak Tied to Del Monte Vegetables Sickens More Than 200 People

An outbreak of parasitic infections tied to Del Monte vegetable trays has sickened more than 200 people in four U.S. states, according to the Centers for Disease Control and Prevention.

Victims of the outbreak were sickened with Cyclospora cayetanensis, a microscopic parasite that causes an intestinal illness known as cyclosporiasis. The outbreak was first announced on June 15; and as of Thursday (July 5), there were 212 Cyclospora illnesses tied to the outbreak, which occurred in Minnesota, Iowa, Wisconsin and Michigan. Among the sick people, seven have been hospitalized, but no deaths have been reported, the CDC said.

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Bladder: Facts, Function & Diseases

The bladder is a round, bag-like organ that stores urine. It is located in the pelvic area, just below the kidneys and right behind the pelvic bone. While it is basically a fleshy storage tank, it is very complex in its design.
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Many Women with Breast Cancer Don't Need Chemotherapy

Up to 70 percent of women with a certain type of breast cancer may not need chemotherapy, a new study finds.

Avoiding chemotherapy may come as a relief to many women who are diagnosed with breast cancer, as the treatment comes with a number of side effects, including nausea, hair loss and anemia.

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New Smallpox-Related Virus Found Lurking in Texas Rodents

A never-before-seen virus that's a relative of the notorious smallpox virus has been found lurking in rodents in Texas, according to a new study.

Researchers discovered the new virus in pygmy mice in east-central Texas. A genetic analysis revealed that the virus was a type of poxvirus, a diverse family of viruses that includes the smallpox virus. But the new pathogen was quite different from any of the currently known poxviruses. Researches dubbed the new virus "Brazospox virus," because the infected mice were found at sites near the Brazos River, which runs through east-central Texas.

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Here's What the Next Pandemic Pathogen Might Look Like

It's a nightmare scenario: An infectious disease is spreading around the world and threatening to topple civilization as we know it. But what kind of disease could do this?

A new report aims to address that question, in hopes of preventing or better preparing for such a scenario. The researchers found that although pathogens like Ebola and Zika make headlines, they are unlikely to cause a global pandemic disaster. Instead, viruses that are spread through the air — including those related to the common cold virus — pose a bigger threat, even though some of these viruses don't receive much attention. (Ebola and Zika are spread through other means, including contact with bodily fluids and, for Zika, mosquitoes.)

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