William Truswell, MD, FACS, operates his own cosmetic and reconstructive facial surgery practice. Dr. Truswell was the first in his area in Western Massachusetts to have an accredited private office ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Allergies and sinus infections can both affect your nasal passages and cause symptoms like congestion. But they’re two separate conditions with distinct causes and treatments. Allergies occur as a ...

Viral infection is the invasion of the body by a small agent known as a virus. Viruses replicate inside host cells and can produce toxins that cause disease. The immune system helps to destroy viruses ...

Infection is the invasion by and multiplication of 'foreign' microorganisms that can cause pathological conditions or diseases in the host organism. Amino acid starvation of Borrelia burgdorferi does ...