Dr. Peter McKenna

Itching!

Itching or pruritus is a neurological stimulus similar to pain.  Your skin is alerting you to a “threat”.  It can be a direct stimulus (a leaf brushing against your skin), imagined (you see someone scratching), or by an internal stimulus (an allergy to something taken orally).  Like pain, the itching stimulus triggers a nerve that […]

Hand Washing!

A recent study found that over 3,700 bathroom users, one in 10 did not wash their hands at all, just two in three used soap, and only one in 20 washed for 15 seconds which is still 5 seconds SHORT of what is recommended.  This may explain some of the cause of 50 million food-borne […]

Eggs!

Eggs are inexpensive, protein packed, and relatively low in cholesterol.  There is 186 mg of cholesterol in the average egg. It is contained in the yolk.  The American Heart Association recommends 300 mg of cholesterol or less each day.  For those with normal cholesterol four eggs or less per week are acceptable.  Anyone with high […]

What Happens in about 1 in 600 Flights?

The answer is an onboard medical emergency that sometimes requires an unscheduled landing.  A recent New England Journal of Medicine study looked at about 12,000 inflight emergencies over a three year period.  Pregnancy complications, psychiatric episodes, and cardiac arrest were relatively rare.  More common were fainting, difficulty breathing, stomach problems and cardiac symptoms. The research […]

What is the Mediterranean Diet?

A Mediterranean-style diet has purported to reduce the risk of heart attacks, strokes, and deaths from heart disease.  A recent study from the University of Barcelona published in the New England Journal of Medicine showed that those at a cardiovascular risk who followed this diet reduced their cardiovascular events by 28%. The major component of […]

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