On average, how many items can we hold in short-term memory?

The total capacity of short-term memory is fairly limited. Experts believe that you can hold approximately seven items in short-term memory for about 20 to 30 seconds. This capacity can be stretched somewhat by using memory strategies such as chunking, which involves grouping related information into smaller “chunks.”

In a famous paper published in 1956, psychologist […]

By |May 16th, 2017|Newsletter, Trivia|0 Comments

True or False: Humans and giraffes have the same number of cervical vertebrae

True. The Giraffe (Giraffa camelopardalis) is the tallest land animal on earth, standing up to 6 metres- 20 feet in height. They achieve this remarkable stature predominantly through their exceptionally long legs and incredible neck which can itself measure 2 metres- 7 feet tall. What is even more astounding is that this remarkable neck contains […]

By |May 8th, 2017|Newsletter, Trivia|0 Comments

What part of the body accounts for one quarter of our bones?

Our feet are home to more bones than any other part of your body. How many? Of the two hundred or so bones in the body, the feet contain a whopping 52 of them.

By |April 26th, 2017|Ask Doctor Denny, Extremities, Trivia|0 Comments

What exercise is most effective to boost your metabolism?

An increase in physical activity will increase your BMR. The main objective is to exercise at a rate where your heart rate increases when it comes to cardiovascular exercise. Resistance training (or weight bearing exercise) is the most effective way to increase BMR—the greater your muscle mass; the faster your body will burn calories.

From “10 […]

True or False: Your gut bacteria can affect anxiety levels

True: Researchers have found that the subjects who took the prebiotics had lower levels of cortisol — a stress hormone which has been linked with anxiety and depression — in their saliva when they woke up in the morning.
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By |April 19th, 2017|Health & Happiness, Nutrition, Trivia|0 Comments

Does muscle burn more calories than fat?

This question sounds like a weight-loss myth, but it is, in fact, true. Muscle is designed for movement, so it burns energy at a higher rate than fat, which is used to store or conserve energy.  John M. Kennedy, MD, director of preventative cardiology and wellness at Marina Del Rey Hospital in California and author […]

Do your muscles become paralyzed during REM sleep?

Your skeletal muscles become paralyzed during a period of REM — that’s right, you can’t move at all. Scientists have found that two powerful brain chemical systems work together to cause REM sleep paralysis. 

This improved understanding of how muscles become paralyzed during REM sleep may one day help scientists to better treat narcolepsy, tooth-grinding and […]

By |April 4th, 2017|Newsletter, Trivia|0 Comments

True or False: Some red food dye is made from insects

If you are eating a “red” food—whether it is cereal, gelatin, candy or a beverage—check the label for cochineal or carmine extract. If it is listed on your label…there are bugs in it…and you’ve likely been eating them for years. They are also found in many hair products, soaps and cosmetics; lipstick is a product […]

By |March 28th, 2017|Health & Exercise Tips, Newsletter, Trivia|1 Comment

How Does Your Liver Affect Your Blood Supply?

The liver creates the blood that circulates in our bodies. The importance of the liver lies in the fact that blood cannot be created artificially by humans. The liver starts producing blood before we are born. Without the liver there would be no blood and no life. The enzymes and chemicals required to form blood […]

By |March 16th, 2017|Newsletter, Trivia|0 Comments

How many calories are in a gram of fat?

There are 9 calories in one gram of fat. In contrast, one gram of carbohydrate or one gram of protein each contains just 4 calories.