Are they healthy?

Yes, this amazing tree family, which is cherished by Jews, Christians, and Muslims, the Medjool date, has been providing sustenance, healing properties, religious symbolism and financial equity for thousands of years.

What's in a Medjool Date?

Nutrition and the healing properties of the Medjool date have been noted in folk lore and at this present time research has deemed that the date may be considered as an almost ideal food. It is also being considered as a good world food source because of it high nutritional value. Nutritional properties of a single Medjool date are remarkable to say the least. The list of vitamins contain Vitamin A, Retinol Activity Equivalent, Beta Carotene, Lutein + Zeaxanthin, Vitamin K, Niacin, Vitamin B6, Folate, food Folate, Folic acid, dietary Folate equivalents, Pantothenic Acid, Choline, and Betaine. I know that list was impressive but there is still more. Medjool dates contain a bountiful amount of Minerals; they include Calcium, Iron, Magnesium, Phosphorus, Potassium, Sodium, Zinc, Copper, and Manganese.

I've heard that Dates contain Protein and other healthy things. Is that true?

Dates do contain Protein and Amino Acids. Here are a few of the known 23 Amino Acids, Tryptophan, Threonine, Isoleucine, Leucine, Lysine, Methionine, Cystine, Phenylalanine, Tyrosine, Valine, arginine, Histidine, Alanine, Aspartic acid, Glutamic acid, Glycine, Proline, and Serine. Now add to those entire nutrient lists zero Saturated fats and zero Trans fat, zero Cholesterol and extremely low Sodium content.

Is it true that Dates give you energy?

The energy that is derived from this date is from the large amounts of Invert Sugars that the Medjool date contains. Invert sugars make up about 70-78% of the sugar content. It is easily absorbed and assimilated in the body and provides the body with energy within minutes after eating it. In all actuality 1 mg of dates gives the body the energy equal to 3470 calories which is an amount larger than the adult man's required daily amount. The fiber content of a one date is 2 g. The recommended fiber intake is 25g per day.

Reference:

http://www.medjooldates.com/faq-nutrition.asp
http://www.medjool-dates.com/medjool_dates_history.php