Related Experiment Video
Updated: Jan 19, 2026
06:40
Optical and Electrochemical Biosensors and Biofouling
Published on: April 30, 2023
13.8K
Psychiatry in the USA: an overview
Carol A Bernstein1, Bruce Hershfield2, Deborah C Cohen3
1President, American Psychiatric Association, Associate Professor of Psychiatry, New York University School of Medicine, USA, email carol.bernstein@nyumc.org.
Summary
Despite high healthcare spending, the US lags in health outcomes like life expectancy and infant mortality. The US healthcare system shows disparities in overall performance and health levels compared to global benchmarks.
Area of Science:
- Health Policy
- Comparative Healthcare Systems
- Public Health
Background:
- The United States possesses the world's largest economy and highest per capita healthcare expenditure.
- Despite significant investment, the US faces challenges in key health metrics compared to other developed nations.
Purpose of the Study:
- To analyze the performance of the US healthcare system in relation to its economic standing and global health outcomes.
- To identify areas where the US healthcare system underperforms despite high spending.
Main Methods:
- Comparative analysis of health indicators and healthcare system rankings.
- Utilized data from the World Health Organization (WHO) for international comparisons.
Main Results:
- The US ranks 23rd in healthy life expectancy and 32nd in infant mortality.
- The World Health Organization (WHO) ranked the US healthcare system 1st in responsiveness, 37th in overall performance, and 72nd in overall health level (2000).
Conclusions:
- Significant discrepancies exist between US healthcare spending/economic status and its population's health outcomes.
- The US healthcare system demonstrates high responsiveness but lower overall performance and health levels compared to global averages.
Related Concept Videos
01:31Overview of the Reproductive System
5.0K
The reproductive system generates offspring, ensuring the survival of the species. In humans, the reproductive system is complex and involves a variety of organs and hormones that work together to ensure successful reproduction.
The gonads, or primary reproductive organs, produce gametes and sex hormones. In males, the testes produce spermatozoa and testosterone, which is responsible for developing secondary male sex characteristics, including a deeper voice, larger muscles, facial and body...
The gonads, or primary reproductive organs, produce gametes and sex hormones. In males, the testes produce spermatozoa and testosterone, which is responsible for developing secondary male sex characteristics, including a deeper voice, larger muscles, facial and body...
5.0K
01:30Buffers: Overview
9.6K
Buffers play a crucial role in stabilizing the pH of a solution by mitigating the effects of small amounts of added acid or base. They consist of a weak acid and its conjugate base or a weak base and its conjugate acid. A solution of acetic acid and sodium acetate is an example of a buffer that consists of a weak acid and its salt: CH3COOH (aq) + CH3COONa (aq). An example of a buffer that consists of a weak base and its salt is a solution of ammonia and ammonium chloride: NH3 (aq) + NH4Cl (aq).
9.6K
01:10Pharmacokinetics: Overview
9.2K
Pharmacokinetics is a scientific discipline that focuses on the journey of a drug within the body, encompassing four key stages: absorption, distribution, metabolism, and elimination. The first stage, absorption, involves the drug's transfer into the bloodstream. Several factors dictate the extent and speed of this process. For example, the liver often metabolizes oral drugs before they reach systemic circulation, leading to only partial absorption. In contrast, intravenous (IV)...
9.2K
01:13Bioavailability: Overview
4.2K
Bioavailability refers to the proportion of an unaltered drug that, after administration, enters the systemic circulation and can be distributed to the desired action site. Factors such as gastrointestinal (GI) absorption and liver biotransformation influence the bioavailability of a drug when it is administered orally. When a drug is administered intravenously, it enters the systemic circulation directly; by definition, its bioavailability is assumed to be 100%. The bioavailability of an...
4.2K
00:59Uncertainty: Overview
1.6K
In analytical chemistry, we often perform repetitive measurements to detect and minimize inaccuracies caused by both determinate and indeterminate errors. Despite the cares we take, the presence of random errors means that repeated measurements almost never have exactly the same magnitude. The collective difference between these measurements - observed values - and the estimated or expected value is called uncertainty. Uncertainty is conventionally written after the estimated or expected value.
1.6K
01:06Potentiometry: Overview
4.3K
Potentiometry is an analytical technique that measures the potential difference between two electrodes in an electrochemical cell without drawing any significant current that could alter the solution's composition. This method employs an indicator electrode, which exchanges electrons with the analyte solution, and a reference electrode with a constant potential. Each electrode is immersed in a solution comprised of two half-cells. In a conventional setup, the reference electrode serves as...
4.3K