Definition ; Heart failure and (HF )is an impairment of the ventricle, capacity to eject blood from the heart or to fill with blood ....

Introduction; Respiratory diseases places a significant burden on healthcare system throughout the world. Asthma and chronic obstructive pul...

  Vi tamin B12 itself is not inherently dangerous. In fact, vitamin B12 (cobalamin) is essential for many functions in the body and is cruci...