Health & Medicine
A few examples of what you can ask Wolfram|Alpha about:
compute various body statistics based on height, weight, etc.
compute body mass index
compute growth charts
get information about a human anatomical structure
find information about a property of a human anatomical structure
get data on groups or systems within human anatomy
get information about a specified tooth
get information about a class of teeth
Blood Alcohol Content
compute blood alcohol content
compute estimated risk of heart disease
get information about a specified disease
compare life expectancies in several countries
compute life expectancy and survival probabilities
get data on deaths from a specific cause
get information about a medical test
get information about a test result
get gender- and age-specific information about a test result
estimate conception and due dates
compute mean plasma glucose from HbA1c level
get information about visual acuity
get information about an eyeglass prescription
specify a drug by brand name
specify a drug by generic name
get drug interaction information
Nuclear Medicine
compute biological properties of radionuclides
get an overview of health care costs in a country
get details of health care costs
compare health indicators of countries
Public Health
get HIV/AIDS statistics