Beware the Sulfites. Sensitivity to sulfites is common among asthmatics. For me, an allergic reaction can result in a severe asthma attack. Dried fruits are usually responsible for the reactions. As with all processed or manufactured food items, I consistently check labels.
In some rare cases, dropped frames can be caused by an old network adapter driver doing a poor job of handing the high speeds being consumed. It's not a bad idea to just check to see if there are any new drivers for your network adapter, just to be sure.
When the cause of Dropped Head Syndrome is not known, it is called isolated neck extensor myopathy, or INEM. The INEM form of Dropped Head Syndrome usually happens in older persons. The weakness of the muscles in the back of the neck usually occurs gradually over one week to three months.