In a good experiment, the scientist must be able to measure the values for each variable. Weight or mass is an example of a variable that is very easy to measure. However, imagine trying to do an experiment where one of the variables is love. There is no such thing as a love-meter..
What is 'Overweight'. Overweight is a situation where an investment portfolio holds an excess amount of a particular security when compared to the security's weight in the underlying benchmark portfolio. Actively managed portfolios will make a security overweight when doing so allows the portfolio to achieve excess returns. Overweight can also refer to an investment analyst's opinion that the security will outperform its industry, its sector or the entire market.
Being overweight or obese are both terms for having more body fat than what is considered healthy. Both are used to identify people who are at risk for health problems from having too much body fat. However, the term obese generally means a much higher amount of body fat than overweight.. Everyone needs some body fat for energy, heat insulation, and other body functions. But having too much can lead to serious health problems. The more body fat you have, the greater your risk for diabetes, kidney disease, heart disease, and other problems.