For men, some hobbies associated with greater neurological risk

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Golfing, yard work, hunting and woodworking are enjoyable weekend pastimes for some men. Now, it turns out those activities may heighten the risk of neurodegenerative disease.

Researchers at the University of Michigan have found that certain recreational activities are linked to a higher risk of amyotrophic [ey-my-uh-trof-ik] lateral sclerosis, which is also known as Lou Gehrig’s disease. The incurable disorder affects nerve cell function in the brain and spinal cord.

Scientists already knew that working in manufacturing or trade industries is linked to an increased risk of ALS. After work activities that affect the odds of ALS are now coming into focus. The researchers found that golf was associated with a three times greater risk of developing ALS. Yardwork and hunting also heightened the risk, although to a lesser degree than golf.

The risk is notably gender specific. When the researchers looked at women’s recreational activities, there was no significant association with ALS.

None of the hobbies were linked to earlier onset of ALS in men or women.

While the researchers aren’t quite sure what’s driving the higher risk among men who take part in certain activities, they have a theory. Other studies have pointed to lifetime environmental exposures as a precursor to ALS. That means golfing and yardwork could carry more ALS risk due to things like pesticide exposure.

Next, the researchers want to learn more about which activities present the greatest ALS risk, and why men are disproportionately affected. They also caution that much more research needs to be done — so don’t put those clubs away just yet.