Professor of Nutrition at East Carolina University. Authored: 'Vitamin B12. Combating the epidemic of deficiency' (published in English and Polish), 'Vegan/vegetarian mother and her baby' (published in English, Polish and Czech), 'I am the LORD who heals you' (published in English, Russian and Japanese), 'Forever young. Secrets of delaying aging and living disease free' (published in English and Polish), 'Healthy diet without secrets' (published in English and Polish), 'In defense of vegetarianism' (published in English and Polish), 'Diabetes. How to prevent it? How to cure it? How to prevent diabetes complications' (published in Polish), 'Diet – facts and myths' (published in Polish). Published in the best American and international nutrition journals, including, American Journal of Clinical Nutrition, European Journal of Clinical Nutrition, European Journal of Nutrition, Nutrition Reviews, American Journal of Preventive Medicine. Lectured in five continents, including North America, South America, Europe, Asia, and Africa.