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Can iPhones interfere with pacemakers and implantable defibrillators? Which devices are affected?

iPhones with wireless charging can interfere with implanted pacemakers and implantable defibrillators according to a new study. Get the details, including which iPhone models were tested and what you can do to stay safe.

iPhones Interfere With Pacemakers and Implantable Defibrillators -- iPhone on Wireless Charger

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At-Home COVID Tests: How They Compare and What You Need to Know

Coronavirus (COVID-19) Tests: Where to get COVID-19 tests, including information about free testing, home testing and more. Information about SARS-CoV-2 virus tests, antibody tests and FDA authorized tests.

Home Test COVID

Clinical Update


COVID Home Test Limitations

COVID-19 home tests, like the 15-minute Abbott BinaxNOW, have significant limitations in real-world use according to a recent study.

Product Review

Electrolytes & Sports Drinks Review

See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes

Product Review

Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review

See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.

Fish Oil and Other Marine Oil Supplements Reviewed by

Clinical Update


Rapid Antigen Tests – How Good Are They?

The FDA changed what it was saying this week about the ability of rapid antigen tests, like Abbott BinaxNow and Quidel QuickVue, to detect the Omicron virus. Get the latest information and see our comparisons of 7 brands of antigen tests.

Product Review

Protein Powders, Shakes, and Meal Replacements Review

Find Out Which Protein Products Passed or Failed Our Tests

Recalls & Warnings

February 25, 2022

Similac, Other Infant Formulas Recalled, Linked to Illness and One Death

Update: (3/7/22) This recall has been expanded to include one lot of Similac PM 60/40 following the death of an infant who tested positive for Cronobacter sakazaki and consumed Similac PM ...

CL Answer

What are the health benefits of tart cherry juice?

See the evidence for tart cherry juice health benefits from clinical studies. Find out if tart cherry has anti-inflammatory effects, if it can improve sleep, lower high blood pressure, or help for muscle pain and osteoarthritis.

Tart Cherry Benefits -- glass of cherry juice and two tart cherries

Recalls & Warnings

February 27, 2009

$4 Million Settlement by Supplement Maker for False Claims

On February 26, 2009, the Texas Attorney General announced that an agreement was reached with Mannatech Inc. and its former CEO, Samuel L. Caster, both of which had been charged with orchestrating an unlawful marketing scheme that exaggerated their products’ health benefits.