Rachael is a Live Science contributor, and was a former channel editor and senior writer for Live Science between 2010 and 2022. She has a master's degree in journalism from New York University's Science, Health and Environmental Reporting Program. She also holds a B.S. in molecular biology and an M.S. in biology from the University of California, San Diego. Her work has appeared in Scienceline, The Washington Post and Scientific American.
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Dogs will never speak human. Here's why.The findings mean that dogs may be similar to human infants in their word processing abilities.
By Rachael Rettner Last updated
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Here's What a Single Milkshake Does to Your Blood VesselsA chocolate milkshake may be bliss for your taste buds, but it's not so good for your blood vessels.
By Rachael Rettner Last updated
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Herbal Supplement Controversy: Did NY Investigation Use the Right Tests?Law officials have accused major retailers of selling store-brand herbal supplements that do not contain the listed ingredients, but now some scientists are questioning those conclusions.
By Rachael Rettner Last updated
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Consumers 'Flying Blind' When Purchasing Dietary Supplements, Expert SaysEven after the FDA identifies supplements that contain prohibited drugs, it does not always recall them.
By Rachael Rettner Last updated
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Red Yeast Rice Supplements Likely Damaged This Woman's LiverA woman in Michigan developed sudden liver damage after taking a red yeast rice supplement, doctors reported.
By Rachael Rettner Last updated
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Woman's Liver Problems Tied to Her Turmeric SupplementFor one woman in Arizona, taking a turmeric supplement may have triggered an uncommon liver problem.
By Rachael Rettner Last updated
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Dietary Supplements Fuel Bad Health HabitsPeople who take dietary supplements may ironically make worse health choices than those who don't.
By Rachael Rettner Last updated
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Dieters May Unknowingly Buy Dangerous Weight Loss SupplementsDangerousdietary supplements continue to be sold and consumed in significant amounts in the United States.
By Rachael Rettner Last updated
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Vitamin E May Increase Prostate Cancer Risk in MenVitamin E supplements may increase the risk of prostate cancer in men.
By Rachael Rettner Last updated
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Supplements Don't Prevent Depression, Study FindsPreventing depression isn't as simple as taking a dietary supplement every day, a new study suggests.
By Rachael Rettner Last updated
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Dietary Supplement Ingredient Linked to Miscarriages, FDA WarnsSupplements with this ingredient are often marketed for enhanced memory or focus, increased energy or weight loss, the FDA said.
By Rachael Rettner Last updated
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Staying hydrated may reduce the risk of heart failureDrinking enough fluids is important for numerous bodily functions, including helping the heart pump blood more easily.
By Rachael Rettner Last updated
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High Vitamin D Levels Linked with Better FitnessThere's yet another reason to make sure you're getting enough vitamin D.
By Rachael Rettner Last updated
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Women Receive Abortion Pills By Mail As Part of New StudySome U.S. women will receive abortion pills by mail as part of a study on whether these abortions, which don't involve going to an abortion clinic, can be done safely.
By Rachael Rettner Last updated
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Type 2 diabetes: Symptoms, causes and treatmentReference Type 2 diabetes is the most common form of diabetes, a condition characterized by high blood sugar levels.
By Rachael Rettner Last updated
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Fact-Checking Trump: Can Abortions Really Happen on the 'Final Day' of Pregnancy?Experts say this is very unlikely and does not accurately reflect the reality of abortions in the United States.
By Rachael Rettner Last updated
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'Abortion Pill' Gets New Label: 5 Things to Know About MifepristoneThe Food and Drug Administration has approved changes to the label for mifepristone, also known as "the abortion pill." Here are the facts about the drug.
By Rachael Rettner Last updated
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Fetuses Have MemoriesResearchers have found evidence for short-term memory in 30 week old fetuses
By Rachael Rettner Last updated
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Is a 'fetal heartbeat' really a heartbeat at 6 weeks?What exactly do we mean when we talk about a "fetal heartbeat" at six weeks of pregnancy?
By Rachael Rettner Last updated
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Can Energy Drinks Cause Miscarriages?The effect of caffeine on miscarriage is still uncertain, experts say.
By Rachael Rettner Last updated
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Strength Exercise: Everything You Need to KnowStrength exercises, such as weight lifting, push-ups and crunches, work your muscles by using resistance.
By Rachael Rettner Last updated
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First 'Monkeypox' Case Reported in UK. Why You Shouldn't WorryA rare disease that's related to smallpox has shown up in the United Kingdom for the first time.
By Rachael Rettner Last updated
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Rare case of monkeypox reported in Texas residentThe first case of human monkeypox in the U.S. in nearly 20 years has been confirmed in a U.S. resident who recently returned from traveling to Nigeria.
By Rachael Rettner Last updated
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Man dies from caffeine overdose after drinking equivalent of 200 cups of coffeeCaffeine powders can be dangerous because they are much more potent than typical caffeine-containing beverages.
By Rachael Rettner Last updated

