One of the things that a delivery team needs to do, often in collaboration with product management, is choose the release cadence of their product. This is an important aspect of, you guessed it, release planning. Your release cadence defines how often you release your solution both internally and externally into production (or the marketplace). The issue is how to determine how often the product should be released into production.
Prevalence of vitamin A deficiency. Vitamin A deficiency (VAD) is a lack of vitamin A in humans. It is common in poorer countries but rarely seen in more developed countries. Nyctalopia (night blindness) is one of the first signs of VAD.Xerophthalmia, keratomalacia, and complete blindness can also occur since Vitamin A has a major role in phototransduction.yctalopia (night blindness) is one of the first signs of VAD. Xerophthalmia, keratomalacia, and complete blindness can also occur since Vitamin A has a major role in phototransduction.
WHY VITAMIN A. Vitamin A deficiency is a public health problem all around the world, affecting more than 100 countries. A lack of vitamin A weakens the immune system, putting a child at greater risk of disease and early death; and it is also the leading cause of preventable child blindness.he solution for correcting vitamin A deficiency lies in improving the childâs diet â through increased consumption of vitamin A-rich foods, naturally rich or commercially fortified foods such as processed oils or sugar.