1 Registered Mail items can be insured for up to $50,000 at your Post Officeâ¢. 2  Show Details about Protect Your Shipments Notes Purchase online, at your Post Office, or through your Rural Carrier. 3  Regardless of how purchased, present Registered Mail items for mailing to a Postal employee.
The population is deficient in magnesiumâfound abundantly in whole grains, beans and legumes, nuts and seeds, and leafy greens, as well as cocoa and molassesâfor several reasons. Soil depletion. Intensive agricultural practices rob the soil of magnesium and donât replace it.
A magnesium overdose occurs when the body contains excess magnesium. A magnesium overdose can also be referred to as hypermagnesemia or magnesium toxicity. For most healthy individuals, the body will naturally remove any excess magnesium but this cannot occur in the case of kidney disease.ardiovascular Effects. A magnesium overdose has also been associated with hypotension (a severe drop in blood pressure). It can also cause heart rhythms to slow down or become erratic (arrhythmias). When high levels accumulate in the bloodstream, it can even cause cardiac arrest.