“…In contrast, several phytopharmaceuticals have been shown to be nontoxic, clinically and pharmacologically safe, and suitable for screening as potential therapeutic metabolites [ 31 ]. In a phase I clinical trial, of patients with high-risk or pre-malignant lesions with the chemopreventive agent curcumin [ 32 ] , it was found to be very potent in anti-inflammatory effects in many chronic diseases by promoting modulation of various signaling pathways and cellular mechanisms associated with inflammation, degradation, and apoptosis [ 15 , 33 , 34 , 35 , 36 ], including different types of cancer [ 37 , 38 , 39 , 40 ], neuro-inflammatory disorders [ 41 , 42 , 43 ], chronic destructive pulmonary disease (COPD) [ 44 , 45 , 46 , 47 ], psoriasis [ 48 , 49 , 50 ], cardio-vascular disease [ 51 , 52 , 53 ], and many more. In addition, natural products showed to have a restorative effect on skeletal disorders, such as osteoarthritis (OA), osteoporosis, intervertebral disc disease, and rheumatoid arthritis (RA), while representing a safe treatment method [ 54 , 55 , 56 , 57 , 58 , 59 , 60 ].…”