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Sickle cell anemia is an inherited disorder that affects more than 20 million people worldwide and has an average life expectancy of about 50 years. It causes red blood cells to sickle or form crescent-shaped cells. The disease develops when a person has mutations in both hemoglobin genes. When someone
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Ovarian cancer originates in the ovaries, which are the female reproductive organs. They are responsible for producing hormones and eggs for fertilization. The most common symptoms of ovarian cancer include swelling or bloating in the abdomen, weight loss, and back pain. A family history of ovarian cancer, mutations in specific
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The eyes are part of the visual system and provide us with vision. Although very small, they are one of the most important organs in the body. The eyes convert light into a neural impulse that gets sent to the brain. Light enters the eye at the cornea, which is
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Technology has revolutionized all our lives and continues to evolve. However, this rapid rate can make it hard for seniors to keep up. A recent survey found that 61% of seniors own a smartphone which is an increase of 15% since 2018. Below is a list of 5 ways that
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This is the ninth and final blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the reproductive systems. The male and female reproductive systems produce sperm and egg cells, respectively. The male reproductive system consists of the testes, prostate
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This is the eighth blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the endocrine system. The endocrine system uses hormones (chemical messengers) to control the body’s reproduction, metabolism, and energy level. The major endocrine organs include the
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This is the seventh blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the urinary system. The urinary system filters blood while removing waste. It consists of the kidneys, ureters, bladder, and urethra. The kidneys are vital organs for
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This is the sixth blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the digestive system. The digestive system consists of the gastrointestinal (GI) tract and accessory organs. The mouth, esophagus, stomach, small intestine, large intestine, and anus make
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This is the fifth blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the respiratory system. The role of the respiratory system is to help the body take in oxygen and remove waste. The respiratory system consists of 2
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This is the fourth blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the integumentary system. The integumentary system consists of skin, nails, hair, and glands (organs that secrete things). It serves as the first line of defence against
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This is the third blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the immune system. The immune system consists of innate defences and adaptive defences. Innate defences are nonspecific and involve surface barriers and internal defences. Adaptive defences
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This is the second blog in a new series that introduces the major systems in the human body. In this blog, we’ll cover the cardiovascular system. The cardiovascular system consists of the heart and blood vessels. It transports oxygen and nutrients to the body’s organs so they can