Over-the-counter drugs linked to dementia

    Over the counter drugs linked to brain activity (Photo Courtesy: Mark Less)

    You may want to think twice before taking a sleeping aid or an allergy medicine. A drug found in Benadryl, Tylenol P-M, Advil P-M and other Over-the-Counter medications could be causing you more harm than relief.

    It is an anticholinergic drug. This class of drug blocks the action of the neurotransmitter acetylcholine to the brain.

    A recent study found evidence the drug can cause slow cognitive ability and dementia.

    Researchers at Indiana University School of Medicine tested the drug on a few participants and found lower metabolism and reduced brain sizes among people taking the drug.

    They also found participants performed worse on short-term memory, verbal reasoning, and problem-solving tests.

    Doctors say patients should inform them about any medication they use.

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