How hormone production changes with age

Hormones are chemical products that are transported by the blood or body fluids. They have a specific regulatory effect on cells remote from their origin. Peptide (protein) hormones require intracellular secondary messengers to evoke a physiological response. On the other hand, steroid hormones bind to receptors in the nucleus, affecting gene transcription. With age, there […]

An overview of stress

Stress is the psychological and physiological response to an event that one perceives as a threat or challenge. It can affect sensory perception, metabolism, mobility, emotional regulation, cognition, immunity, oxygenation, and perfusion. The perception or anticipation of a threat activates 3 major physiological systems: the hypothalamic-pituitary-adrenal (HPA) axis, the sympathetic nervous system, and the immune […]

The importance of phosphorus for seniors

Phosphorus is the second most abundant mineral in the body behind calcium. It is found naturally in many foods and is available as a supplement. Since it is highly reactive, it is not found as a free element on Earth. The main function of phosphorus is bone and teeth formation. Approximately 85% of the body’s […]

Tips to help seniors stay hydrated

Your body needs to be hydrated to function properly. Water is critical as it delivers nutrients to cells, regulates body temperature, keeps joints lubricated, and prevents infections. Staying hydrated can improve sleep quality, mood, and cognition. Health experts recommend that everyone should consume approximately 2 liters of water each day. Below is a list of […]

Important vitamins and minerals for seniors

Vitamins and minerals are especially important nutrients that seniors need to stay healthy. They boost the immune system, help cells and organs function, and support growth and development. Vitamins are organic substances, meaning they’re made by animals or plants. On the other hand, minerals are inorganic substances, which means they come from water and soil. […]

An overview of cancer for seniors

Saturday, February 4 is World Cancer Day. With that in mind, we thought that it was important to provide information about the disease itself, with an emphasis on how it affects the senior population. Cancer refers to the uncontrolled proliferation (replication) of cells. Changes in DNA can cause the development of cancer almost anywhere in […]

The best travel destinations for seniors

Traveling is at the top of to-do lists for many seniors after they retire. Healthier hearts and brains and a lower risk of depression are only some of the benefits of traveling. Regardless of your physical abilities and interests, there are travel destinations that can accommodate your wants and needs. The most popular travel destinations […]

What is Alzheimer’s disease and how does it progress?

Alzheimer’s disease is a neurodegenerative disease that affects more than 10% of people aged 65 and older. It affects many areas of the brain, resulting in impaired memory, problem-solving, thinking, judgement, and language. Alzheimer’s disease is believed to be caused by the abnormal accumulation of amyloid-beta protein around brain cells. Mutations in specific genes can […]

How aging affects the nervous system

The nervous system controls functional activity and enables the body to respond to internal and external changes. It includes the central nervous system (brain and spinal cord) and the peripheral nervous system (nerves). As you age, many changes occur in the nervous system. These include a decrease in the number of nerve cells and decreased […]

What are antibiotics and how do they work?

Antibiotics are antimicrobial agents that are produced by bacteria and fungi. They represent our most effective therapeutic against bacterial infections. Cancer chemotherapy, organ transplantations, and all invasive surgeries involve the use of antibiotics. Bacterial infection was a major cause of morbidity and mortality before the discovery of antibiotics. Antibiotic therapy produces selective toxicity. This includes […]