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.
Excess weight is one of the primary effects of an unhealthy diet. The Centers for Disease Control and Prevention defines overweight as having a body mass index, or BMI, of 25 or higher. Factors that often contribute to a high BMI include insufficient fruits, vegetables and whole grains; diets high in meat and fried foods; consistent intake of high-calorie beverages like soda; and not getting enough physical activity.