Vol. 1 No. 2 (2021)

Content
RESEARCH ARTICLE
Orthostatic response in patients with type 2 diabetes mellitus evaluated through acceleration photoplethysmogram José Federico Rivas-Vilchis, Eduardo Barrera-Escorcia, pp. 5-10

REVIEW ARTICLE
Effect of different bacteria on the biodegradation of polyurethane
Karla Castillo-Gaspar, Valeria Román-Ayala, Adriana Domínguez-K Rescala, Karla Ramírez-Gualito, pp. 11-17

mRNA-based COVID-19 vaccines: a new age
Rodrigo Martínez-Espinosa, Gabriela Ramírez-Vélez, pp. 18-30

Musculoskeletal pain in college students: a systematic review
Galit Wohlmuth-Cohen, Felix León-Avila, pp. 31-45

Probiotic foods as functional foods for modulating obesity
Bárbara Gallegos-Inzunza, Jimena Prado-Ramírez, Alejandra Romo-Araiza, pp. 46-57  

Clinical advances in multiple sclerosis and amyotrophic lateral sclerosis treatment: A review
Marquelle Zerecero-Morcksharpe, Elisa García-Vences, pp. 58-69

Association between gut microbiota and obesity. A review of the evidence
Leslie Lascurain, Jessica Jaquez, Stephanie Thompson-Alfaro, Aly Sugei Barradas-Vázquez, Mardia López-Alarcón, Oscar C Thompson-Chagoyán, pp. 70-80