Ask Hanna

Ask Hanna answers

How does an iron deficiency affect someone?

How does an iron deficiency affect someone?

Iron is an important building block for red blood cells. When the body lacks adequate amounts of iron, red blood cells become smaller and are produced in inadequate numbers. This results in decreased hemoglobin levels, the protein that transports oxygen in red blood cells. This condition is known as iron deficiency anemia and is the ...
What is the correct way to use sunscreen?

What is the correct way to use sunscreen?

The topic of sunscreen use is rife with  strongly recommends sun avoidance practices including use of sunscreens year round to reduce the risk of developing skin cancer. Here are a few of the common misconceptions regarding the use of sunscreens preventing skin damage from sunburn: controversy and misconceptions. Some authorities advocate against their use, believing ...
Are there any benefits to riding bike?

Are there any benefits to riding bike?

Sponsored by the League of American Bicyclists, May is National Bike Month and is an opportunity to celebrate the many reasons that people choose to ride. For some, bicycles represent their primary means of transportation. Many people ride bikes as a means to health and fitness. Others yet find pleasure and perspective from a bicycle ...
Why do women get a preventive mastectomy?

Why do women get a preventive mastectomy?

Preventive mastectomy, done to reduce the risk of developing breast cancer, involves the surgical removal of one or both breasts. This procedure, also called prophylactic mastectomy, was in the news recently when actress Angelina Jolie announced her decision to undergo the procedure. Women with certain risk factors are much more likely to develop breast cancer ...
Can barbequed food make me sick?

Can barbequed food make me sick?

Foodborne illness increases dramatically during the summer months, in part due to more people using outdoor grills or cooking while camping. When cooking outdoors, food safety features that a home kitchen provides, such as temperature-controlled cooking, refrigeration, and washing facilities, are not always available. This increases the risk of “Bar-b-que Belly”, or acute gastroenteritis related ...
How beneficial is a PSA in screening for prostate cancer?

How beneficial is a PSA in screening for prostate cancer?

A few years ago, there was marked disparity among experts as to whether and how screening for prostate cancer should be performed. At that time, the American Cancer Society recommended that the prostate-specific antigen (PSA) blood test and digital rectal exam (DRE) should be done yearly, beginning at age 50, assuming the man had at ...
Are there health benefits to having pets?

Are there health benefits to having pets?

The U.S. is a pet-loving country, with around two-thirds of all households reporting owning a dog or cat. To put this into perspective, this amounts to approximately 78.2 million dogs and 86.4 million cats owned by Americans. A cancer specialist affiliated with the Mayo Clinic once noted that “a pet is a medication without side ...
Can some pets make people sick?

Can some pets make people sick?

Last article we looked at “good” aspects of pet ownership, ways that pets can contribute to our health and well-being. This week, we’ll look at animals that many authorities consider to be inappropriate as pets. We’ll also consider some of the illnesses that can be transmitted from animals to humans. The Bad-Inappropriate Pets: According to ...

DISCLAIMER: The information and opinions expressed in the programs on this channel and website are intended to address specific questions asked or situations described in each particular program, are for educational purposes only, and are not designed to constitute advice or recommendations as to any disease, ailment, or physical condition. You should not act or rely upon any information contained in these programs without seeking the advice of your personal physician or a qualified medical provider. If you have any questions about the information or opinions expressed, please contact your doctor or other medical professional.