The science behind taste

This is the second blog in a new series discussing the 5 senses. This blog will focus on taste, also known as gustation. There are 5 main tastes: sweet, salty, sour, bitter, and umami (the ability to taste glutamate). Each one depends on a specific receptor located on the tongue. The gustatory system consists of […]
The science behind hearing

This is the first blog in a new series discussing the 5 senses. This blog will focus on hearing. Audition is our sense of sound, which often gradually declines with age. Presbycusis results from changes in the inner ear’s ability to transmit sound to the brain. Sound requires a pressurized sound wave and hair cells. […]
The science of sleep

Sleep is a state of unconsciousness when you’re not aware of yourself or the world around you. It can reduce stress, improve mood, and lower your risk for a variety of health problems. A lack of quality sleep can negatively impact information processing, emotion regulation, and memory. Four stages of sleep occur in 90-minute cycles. […]
Age-related diseases: cirrhosis

This blog is the tenth part of a new series that builds upon a previous blog that discussed common chronic diseases for seniors. The tenth and final blog will focus on cirrhosis. Cirrhosis is a progressive condition that involves permanent scarring of the liver. Many liver diseases and conditions such as chronic alcoholism and hepatitis […]
Age-related diseases: urinary incontinence

This blog is the ninth part of a new series that builds upon a previous blog that discussed common chronic diseases for seniors. The ninth blog will focus on urinary incontinence. Urinary incontinence is a common condition that causes people the unintentionally pass urine. It is also known as the loss of bladder control. There […]
Age-related diseases: inflammatory bowel disease

This blog is the eighth part of a new series that builds upon a previous blog that discussed common chronic diseases for seniors. The eighth blog will focus on inflammatory bowel disease. Inflammatory bowel disease (IBD) is a term that refers to two conditions: Crohn’s disease and ulcerative colitis. Chronic inflammation of the gastrointestinal tract […]
Age-related diseases: osteoarthritis

This blog is the seventh part of a new series that builds upon a previous blog that discussed common chronic diseases for seniors. The seventh blog will focus on osteoarthritis. As the most common form of arthritis, osteoarthritis affects millions of people worldwide. It is a degenerative joint condition that causes swelling, stiffness, and pain. […]
Age-related diseases: cardiovascular disease

This blog is the sixth part of a new series that builds upon a previous blog that discussed common chronic diseases for seniors. The sixth blog will focus on cardiovascular disease. Cardiovascular disease is the leading cause of death worldwide and affects roughly 1 in 12 Canadians aged 20 and older. It is a group […]
Age-related diseases: chronic obstructive pulmonary disease

This blog is the fifth part of a new series that builds upon a previous blog that discussed common chronic diseases for seniors. The fifth blog will focus on chronic obstructive pulmonary disease. Chronic obstructive pulmonary disease (COPD) refers to a group of diseases that block airflow from the lungs. They include emphysema and chronic […]
Age-related diseases: Parkinson’s disease

This blog is the fourth part of a new series that builds upon a previous blog that discussed common chronic diseases for seniors. The fourth blog will focus on Parkinson’s disease. Parkinson’s disease is a progressive neurological disorder that involves mental dysfunction and motor abnormalities. The most common problems are abnormal walking, poor balance, and […]