There is no scientific evidence to suggest that it is healthy for an adult to drink breast milk. Breast milk is designed specifically for infants and provides them with the nutrients they need to grow and develop. While breast milk contains many beneficial nutrients and antibodies, these are tailored for the needs of infants and may not provide the same benefits to adults.
Furthermore, drinking breast milk obtained from someone else may carry risks of contamination with bacteria, viruses, or other harmful substances, and may also be illegal in some jurisdictions. Therefore, it is generally not recommended or considered a healthy practice for adults to drink breast milk. If you have any specific concerns or questions related to your personal health, it is best to consult with a qualified healthcare professional.