The COVID-19 pandemic has posed an immense challenge to health care systems around the globe in terms of limited health care facilities and proven medical therapeutics to address the symptoms of the infection. The current health care strategies have primarily focused on either the pathogen on the environmental factors. However, efforts towards strengthening the host immunity are important from public health perspective to prevent the spread of infection and downregulate the potency of the agent. While a vaccine can induce specific immunity in the host, non-specific ways of improving overall host immunity are the need. This scenario has paved the way for the use of traditional Indian therapies such as Ayurveda and Yoga. This review aims at collating available evidence on Ayurveda, Yoga and COVID-19. Further, it draws inferences from recent studies on Yoga and Ayurveda on immunity, respiratory health and mental health respectively to approximate its probable role in prophylaxis and as an add-on management option for the current pandemic.
Yoga philosophy includes the theory of Tri-guna (three mental traits): sattva (signifies a tendency to ‘goodness’), rajas (tendency towards ‘activity’), and tamas (tendency towards “inertia”). This cross-sectional study aimed to understand the differences in the expression of gunas in patients suffering from major psychiatric disorders (n = 113, 40 females) and age-gender-education-matched healthy controls (HCs; n = 113, 40 females). Patients were diagnosed by a psychiatrist using DSM 5 criteria and suffered from the following disorders: depression (n = 30), schizophrenia (SCZ; n = 28), obsessive–compulsive disorder (OCD; n = 23), anxiety (n = 16), and bipolar affective disorder (BPAD; n = 16). Tri-gunas were assessed using a validated tool (Vedic Personality Inventory) and symptoms were assessed using standard scales as per the diagnosis. Multi-variate analysis of variance (MANOVA) was used to assess the differences in guna scores between HCs and patients, and between patients with different diagnoses. A two-tailed Pearson correlation was performed between the gunas and psychometric scales. Results revealed that HCs had significantly higher sattva traits as compared to patients (except those with OCD). Each psychiatric diagnosis also showed a specific guna configuration: (1) Anxiety disorders and OCD: High sattva-rajas, low tamas; (2) Depression: High sattva-tamas, low rajas; (3) Psychotic disorders (SCZ/BPAD): High tamo-rajas, low sattva. Significant positive correlations were observed between rajas traits and anxiety/OC/positive psychotic symptoms, negative psychotic symptoms and tamas traits, and sattva traits and OC symptoms. This finding has clinical implications, both to develop ways of predicting outcomes of psychiatric disorders, as well as to develop psycho-therapeutic and lifestyle interventions targeting the gunas.
Assessment of individual constitution (
prakriti
) has been an important basic construct of the Ayurveda system of medicine. The AyuSoft
prakriti
diagnostic tool has been extensively used in Ayurveda research. However, we could not find any literature regarding reliability of a
prakriti
diagnostic tool in patients with psychiatric conditions. One hundred and twelve patients (M = 70) suffering from various psychiatric disorders as per ICD-10 criteria were recruited (Depression = 31; Schizophrenia = 30, Anxiety disorders = 27; OCD = 9; BPAD = 15). The AyuSoft tool (developed by C-DAC, Pune, India) was applied to determine their
prakriti
after obtaining written informed consent. Two Ayurveda physicians independently assessed
prakriti
of the same patients through clinical examination. Inter-rater reliability was assessed between
prakriti
scores obtained from AyuSoft and those from the Ayurveda physicians by determining Cohen’s Kappa intra-class correlation coefficient (ICC). ICC estimates and their 95% confidence intervals were calculated using SPSS statistical package (version 24.0) based on a mean-rating (
k
= 2), consistency and two-way mixed-effects model. We observed that there was a significant correlation between
dosha
scores obtained through AyuSoft and those from the two Ayurveda physicians (for all three
doshas
: p < 0.01). Inter-rater reliability was moderately strong for
vata
(ICC = 0.72; Cronbach’s alpha = 0.83), good for
pitta
(ICC = 0.58; Cronbach’s alpha = 0.62) and comparatively weak for
kapha
dosha
(ICC = 0.44; Cronbach’s alpha = 0.51) respectively.
Prakriti
diagnosis by AyuSoft was feasible in stabilized psychiatric patients and was found comparable to clinical diagnosis of
prakriti
by Ayurveda physicians in patients with psychiatric disorders.
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