Beyond the fact that a degree in public health can lead to fulfilling careers in medicine, health care, biotechnology and the life sciences, there is a strong and evidenced need for public health workers in the coming years.
Confidence votes 8. Sanskrit is the oldest language in the world, please see references below. Vedic Sanskrit is the oldest attested language of the Indo-Iranian language family. It is the language of the Vedas, the oldest Shruti texts of Hinduism, compiled over the period of the mid 4th to mid 3rd millennium BCE.
The concept of a Universal Language is more significant only now, in the era of world mass communication. Before this era Greek, Latin, French were to some extent universal languages, though mainly in Europe. By a lucky coincidence due to factors above, English, the Universal language, is one of the simplest and easiest natural languages in the world. The only other simple and easy languages are constructed ones.