One of the things that baffles me about people is how they completely misunderstand risk. Lots of my friends panic about things that have no real chance of killing them, but ignore the things that will. This can lead us to make...

Clinical Correlation Emphysema [DON'T SMOKE!]

Almost every time someone wants to proclaim the US to be the "best in the world" in health care, they point to survival rates. Those refer to the percent of people who live a certain amount of time after they've been diagnosed with a...

This video program explores the role of the body's circulatory and respiratory systems, emphasizing things we can do to maintain these important systems. Regular exercise, healthy eating habits, and not smoking are just a few of the...

Highmark Health CISO, Omar Khawaja, discusses how businesses can establish the value their human risk mitigation program brings.

Lung cancer is the deadliest of cancers. Screening could save thousands of lives, so why is it not the norm?

JACK ANDRAKA was just a fifteen year old Maryland high school sophomore when he invented an inexpensive early detection test for pancreatic, ovarian, and lung cancers. Now, at seventeen, Jack’s groundbreaking results have earned him...

If you’re learning to speak American English one of the most common contractions—can’t—is one of the most difficult! In this American English pronunciation lesson, you’ll learn from multiple native speakers how to pronounce the word...

Coffee: Health Benefits and Risks



In this lesson, we discuss animal model findings, cohort studies and meta-analyses concerning health benefits (neurological protection, liver health, cancer reduction) and health risks of...

Here, I present one of the most important mechanisms for the carcinogenic properties of cigarette smoking. P450-oxidized metabolites of benzo[a]pyrene damage DNA and can induce mutations leading to the uncontrolled cell growth associated...

This video provides an overview of common respiratory problems and ailments that affect the human body. It discusses the causes and symptoms of respiratory issues such as the common cold, pneumonia, bronchitis, asthma, lung cancer, and...

In this lesson, we explore conditional probability and its difference from unconditional probability. We examine scenarios where events are dependent on previous occurrences. We also discuss the notation used for conditional probability...

Lung cancer is the deadliest of cancers. Screening could save thousands of lives, so why is it not the norm?

Americans seem very afraid of cancer. Much of this fear is legitimate. Cancer is a significant cause of death. Unlike other causes, it often seems to come out of nowhere. It's the "silent killer". But evidence increasingly argues that...

This is a video about the State of Global Health. Dr Greg Martin talks about a few of the major issues that need to be addressed.