Loss of height is not a good sign

While a minor degree of height loss is usual and unlikely to be associated with any health problems, significant height loss may indicate osteoporosis. The resulting height loss can affect the normal functioning of the respiratory and gastrointestinal systems, which in turn may lead to early satiety, poor nutritional status, and weight loss. [3]


Among seniors, an increase in the ratio of their arm span to their height -- indicating a probable loss of height -- is strongly associated with shortness of breath and reduced lung capacity. [1]

The loss of 2 or more inches in height during adulthood serves as a powerful predictor of osteoporosis in the hip, and thus the risk for hip fractures, in elderly women. [2]


[1] Loss of height linked to breathlessness in elderly Reuters Health Feb 13, 2009.
[2] Screening Height Loss about.com
[3] Height Loss in Older Men May Be Linked to Lower Survival, Heart Disease Medscape December 19, 2006