Cures, treats, and prevents from rheumatoid arthritis, breast pain, hot flashes, premenstrual syndrome (PMS), eczema, and other skin problems to diabetic neuropathy, cancer, multiple sclerosis, alcoholism, obesity, high blood cholesterol levels, and heart disease.One common use for Evening Primrose is for relieving the symptoms of rheumatoid arthritis. The secret of the evening primrose is in the seed, a natural source of the essential fatty acids which support the healthy functioning of all cells in the body. Also plays an important role in maintaining female hormonal balance.