It can be very hard for a person with a fast metabolism to gain body weight. For these individuals, even a few pounds can make the difference. Doctors say that having too low body weight can cause health issues like organ damage, lack of menstruation in women, and bone density loss to name a few.
Confusing as it may be, dexos is not a brand or type of oil at all. Instead, dexos is a specification concocted by General Motors along with a license the auto maker sells to oil manufacturers. Oil specifications are nothing new.
In this case, GM appears to be looking to require this new dexos 1 specification for all motor oils which are to be used in ANY of their vehicles. In this way, claims GM, they will be able to consolidate the list of recommended oils for their vehicles to just 1 - any oil meeting the dexos 1 specifications.