Acute coronary syndrome (ACS) is a medical emergency that occurs when the blood flow to the heart is suddenly reduced or blocked. Typically caused by plaque build-up in the arteries that supply the heart muscle with oxygen and nutrients, undiagnosed or untreated ACS can rupture or cause a blood clot, leading to a sudden and severe reduction in blood flow to the heart.   ACS can manifest in different ways, depending on the severity and duration of the blockage. The three types of ACS are unstable angina, non-ST elevation myocardial infarction (NSTEMI), and ST-elevation myocardial infarction (STEMI). > Unstable angina...

Degenerative brain diseases refer to a group of conditions that progressively damage the brain and nervous system over time. These diseases can affect movement, coordination, thinking, memory, and other cognitive functions. Creutzfeldt-Jakob disease (CJD) and Alzheimer's disease are both degenerative brain diseases that can affect older adults. However, they differ in their cause, symptoms, and progression. Causes of CJD and Alzheimer's disease CJD is caused by abnormal prion proteins that form in the brain, which cause damage and death of brain cells. CJD typically causes dementia, along with muscle stiffness, jerky movements, and visual disturbances. The disease progresses rapidly, with...