Cannabis Use Disorder – causes, symptoms, diagnosis, treatment, pathology

Cannabis, or marijuana, is one of the most popular psychoactive substances worldwide, especially among teenagers. Although the specifics of cannabis’ addictive qualities are still very much under debate, cannabis dependence disorder is officially classified in the DSM-5 and prolonged, heavy use has been shown to cause some level of dependency. Cannabis comes from the flowers […]

Gastric cancer – causes, symptoms, diagnosis, treatment, pathology

Learning medicine is hard work! Osmosis makes it easy. It takes your lectures and notes to create a personalized study plan with exclusive videos, practice questions and flashcards, and so much more. Try it free today! Gastric cancer is when malignant or cancerous cells arise in the stomach. This cancer can appear in any part […]

Type IV hypersensitivity (cell-mediated) – causes, symptoms, treatment & pathology

Learning medicine is hard work! Osmosis makes it easy. It takes your lectures and notes to create a personalized study plan with exclusive videos, practice questions and flashcards, and so much more. Try it free today! Having a hypersensitivity means that someone’s immune system has reacted to something in such a way that it ends […]

Diagnosis, treatment, and prevention of herpes | Infectious diseases | NCLEX-RN | Khan Academy

– So we’ve talked quite a bit about herpes already. The next step would be to understand how do we diagnose herpes? Well commonly what physicians will do is ask the patient about their medical history, recent sexual practices, and other things that may suggest a mode of transmission or some way the patient could […]

Parkinson’s disease – causes, symptoms, diagnosis, treatment & pathology

Parkinson’s disease, which is sometimes called Parkinson disease, Parkinson’s, or PD, is a movement disorder where the dopamine-producing neurons in the substantia nigra of the brain undergo degeneration. Parkinson’s is one of the most common neurological disorders. It’s a progressive, adult-onset disease, and it gets more common with age. Most of the time, there’s no […]

Hypercalcemia – causes, symptoms, diagnosis, treatment, pathology

With hypercalcemia, hyper -means over and -calc- refers to calcium, and -emia refers to the blood, so hypercalcemia means higher than normal calcium levels in the blood, generally over 10.5 mg/dL. Now, calcium exists as an ion with a double positive charge – Ca2+ – and it’s the most abundant metal in the human body. […]

Hypocalcemia – causes, symptoms, diagnosis, treatment, pathology

With hypocalcemia, -hypo means below, calc- refers to calcium, and -emia refers to the blood, so hypocalcemia means lower than normal calcium levels in the blood, generally less than 8.5 mg/dL. Now, calcium exists as an ion with a double positive charge – Ca2+ – and it’s the most abundant metal in the human body. […]

Huntington disease – causes, symptoms, diagnosis, treatment & pathology

Learning medicine is hard work! Osmosis makes it easy. It takes your lectures and notes to create a personalized study plan with exclusive videos, practice questions and flashcards, and so much more. Try it free today! Huntington disease, or HD, is a rare neurodegenerative disease that involves a repeated sequence of DNA that causes an […]

Free radical damage – causes, symptoms, diagnosis, treatment, pathology

Learning medicine is hard work! Osmosis makes it easy. It takes your lectures and notes to create a personalized study plan with exclusive videos, practice questions and flashcards, and so much more. Try it free today! Electrons in an atom are present in spaces called orbitals, and each orbital can fit different pairs of electrons. […]

Marfan Syndrome – causes, symptoms, diagnosis, treatment, pathology

Marfan syndrome is a genetic disorder that results in defective connective tissue, which can affect a person’s skeleton, heart, blood vessels, eyes, and lungs. Normally, the interstitial space of various body tissues is full of microfibrils – which are strong ropelike structures that provide tissue integrity and form connective tissue. The main component of microfibrils […]