diff --git a/education/nutrition/Proteins.md b/education/nutrition/Proteins.md
index ccf2a74..b999d3b 100644
--- a/education/nutrition/Proteins.md
+++ b/education/nutrition/Proteins.md
@@ -123,6 +123,32 @@ Summary:
 - Blood urea nitrogen (BUN) is a measure of the concentration of urea in blood.
 	- Assesses kidney function
 	- Normal values are from 7-20 mg/dL
-- Urine urea nitrogen (UUN) is a measure of the concentration of 
+- Urine urea nitrogen (UUN) is a measure of the concentration of urea in urine
+	- Can be used as a marker of protein intake
+	- Normal values are from 12 to 20 g in a 24 hour sample.
+- Nitrogen balance or nitrogen equilibrium is the balancing of nitrogen intake with nitrogen losses
+- Positive nitrogen balance is the state in which the body retains more nitrogen than it loses
+- Negative nitrogen balance is the state in which the body loses more nitrogen than it retains.
 
-TODO: keep going from 7.6
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+# Meeting needs
+- Protein comprises about 15% of the typical American's total energy intake
+	- **AMDR is 10-35%**
+- Complementary combinations is the mixing of certain plant foods to provide all essential amino acids without adding animal products
+	- Plant foods are poor sources of one or more essential amino acids
+
+# Malnutrition
+- High amounts of animal proteins and saturated fat is associated with:
+	- Heart disease
+	- Colorectal cancer
+	- Prostate cancer
+- Consumption of red and processed meats is associated with cancers of the:
+	- Pancreas
+	- Stomach
+	- Esophagus
+	- Breast
+- **High protein diets may lead to**
+	- Urinary loss of calcium
+	- Osteoporosis
+	- Dehydration
+	- Poor kidney health
+- **undernutrition** is the
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