"unhealthy changes" is a correct and usable phrase in written English.
It can be used to describe a situation in which something has changed for the worse, for example, "The introduction of fast-food restaurants to this neighborhood has caused unhealthy changes to the local eating habits."
Thanks to supersensitive tests for CRP developed in the early 1990s, doctors can now detect lower levels of the protein that might indicate the kind of subtle, chronic inflammation that reflects unhealthy changes in artery walls.
Google[x]'s plans for Baseline to go a step further and carve out a spot in personalized medicine that predicts and corrects any unhealthy changes in the human body before it happens.
College or university is a critical period regarding unhealthy changes in eating behaviours in students.
Investigating the unhealthy changes over a 10-year period enabled us to estimate the associations between social support and the onset of different lifestyle and health indicators.
On the other hand, perceiving that they were not given enough information could leave patients feeling 'fobbed off' and/or making drastic or unhealthy changes to their diets.
The current concern about endocrine-disrupting compounds (EDCs) is based on scientific facts that collectively indicate that EDCs potential could induce unhealthy changes in humans and wildlife species even at low, ng L−1, concentration levels [ 1– 3].
If you perceive unhealthy change, you are in a position to react to it; don't delay and don't make excuses for the technology.
There are unhealthy lifestyle changes that are known to be associated with urbanization such as the lack of physical activity, changes in dietary habits and stress, all of which increases the risk of diabetes, as evidenced by the association shown in many South Asian studies.
Such an alignment brings about unnecessary and unhealthy speed changes that may lead to crashes.
The New York City region's air will remain unhealthy if changes in the Clean Air Act under discussion by the White House and the Senate become law, government officials in the Northeast and private environmental groups contend.
In a number of recent animal studies, when rats or mice were not allowed to amble normally around in their cages, they rapidly developed unhealthy cellular changes in their muscles.
