For the first time in human history, older people outnumber younger people. This has created unique health challenges. Dementia may be one of the scariest.

You can either choose to allow yourself to be healed by another, or to do the healing yourself. Do whatever is necessary to release yourself from the symptom, and return yourself to the state of being in which you are happy and healthy. It’s your natural state.

Everything is contagious -- not just germs, but good vibes and bad vibes, too. When a person begins laughing hysterically, watch how others laugh or at least smile. When someone is expressing hatred, notice how those in the vicinity tighten their bodies, develop a defensive posture, and maybe clutch another's hand.

It’s the latest fad in Silicon Valley. By reducing the brain’s feel-good chemical known as dopamine – cutting back on things like food, sex, alcohol, social media and technology – followers believe that they can “reset” the brain to be more effective and appreciate simple things more easily.

America is aging rapidly. In the next 40 years, the number of people age 65 and older is expected to nearly double.

Endurance running is in. Fitness enthusiasts and elite runners alike spend their weekends pounding the pavements and bounding through the countryside.

Hot flashes or night sweats — called vasomotor symptoms or VMS — might be more than just a nuisance for menopausal women.

Current estimates suggest that addictions affect one-third of the population in the United States. Of course, when most of us hear the word addict, we think crack, or cocaine, or heroin... Certainly we don't think about, say, sugar -- and yet sugar is the most prevalent addictive substance in the world!

Migraine is the third most prevalent illness in the world and causes suffering for tens of millions of people. In fact, nearly 1 in 4 U.S. household includes someone with migraines.

Many of our diets are, to some extent, determined by the whims of fashion. This is not an astute observation, nor a particularly new one – just consider the 1970s obsession with pineapple and quiche.

Parkinson’s disease is the second-most-prevalent neurodegenerative condition in Australia, with an estimated 70,000 Australians living with the disease.

Getting five or fewer hours of sleep a night is associated with low bone mineral density and higher odds of osteoporosis, researchers report.

We love sweet treats. But too much sugar in our diets can lead to weight gain and obesity, Type 2 diabetes and dental decay.

That weary feeling that sets in with an illness is an emotion that helps you fight off infection, researchers say.

There is a cultural shame that is implied when an individual has the need for too much sleep or feels tired without having a good reason. You have thoughts such as God, I don't know why I'm so tired! or What's wrong with me? And these very thoughts and attitudes negate a simple, natural flow...

More American adults are trying to lose weight these days, but the average body mass index of Americans has increased, research finds.

A federal jury in California has unanimously decided that the weedkiller Roundup was a “substantial factor” in causing the lymphoma of 70-year-old Edwin Hardeman, who had used Roundup on his property for many years.

Post-traumatic stress disorder (PTSD), a psychiatric condition linked to surviving or witnessing a traumatic life event, will affect around one in 10 Canadians at some point in their lives.

Exercise is recommended for people who are overweight or obese as a way to reduce their risk of developing type 2 diabetes and cardiovascular disease

Monique is 77 years old. I met her when she came to the eye clinic at the University of Montréal, where I am a professor.

About 7.4 million people in the U.S. require manufactured insulin to stay alive. I’m one of them. I’ve lived with Type 1 diabetes for over 15 years and inject two kinds of insulin every day.

Humanity’s defences against infection are wearing thinner by the day, and the microbes responsible are getting stronger.

Parkinson’s disease is a progressive neurodegenerative disorder affecting one in 350 Australians.