public async Task <OkObjectResult> Post([FromBody] Disease disease)
        {
            var dis = new Disease()
            {
                Name     = disease.Name,
                Symptoms = disease.Symptoms,
                Cure     = disease.Cure
            };

            try
            {
                var result = await _diseaseService.Add(dis);

                return(Ok(result));
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }